The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A204333

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A204333

Number of (n+1) X 3 0..7 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.
(history; published version)

#9 by Joerg Arndt at Mon Jul 07 03:02:47 EDT 2014

STATUS

reviewed

approved

#8 by Michel Marcus at Mon Jul 07 02:47:31 EDT 2014

STATUS

proposed

reviewed

#7 by Wesley Ivan Hurt at Mon Jul 07 02:06:24 EDT 2014

STATUS

editing

proposed

#6 by Wesley Ivan Hurt at Mon Jul 07 02:06:09 EDT 2014

NAME

Number of (n+1)X3 X 3 0..7 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.

COMMENTS

Column 2 of A204339.

EXAMPLE

Some solutions for n=4:

AUTHOR

R. H. Hardin , Jan 14 2012

STATUS

approved

editing

#5 by Russ Cox at Sat Mar 31 12:37:01 EDT 2012

AUTHOR

_R. H. Hardin (rhhardin(AT)att.net) _ Jan 14 2012

Discussion

Sat Mar 31

12:37

OEIS Server: https://oeis.org/edit/global/875

#4 by Ron Hardin at Sat Jan 14 14:08:30 EST 2012

STATUS

editing

approved

#3 by Ron Hardin at Sat Jan 14 14:08:20 EST 2012

LINKS

R. H. Hardin, <a href="/A204333/b204333.txt">Table of n, a(n) for n = 1..210</a>

#2 by Ron Hardin at Sat Jan 14 14:07:47 EST 2012

NAME

allocated for Ron HardinNumber of (n+1)X3 0..7 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively

DATA

22294, 947240, 28167739, 618981328, 11129487382, 167047130892, 2182013404785, 25223785164840, 263429302921267, 2516401943818334, 22254660740122213, 183832573199251582, 1429690614799434987, 10535427034666117628

OFFSET

1,1

COMMENTS

Column 2 of A204339

EXAMPLE

Some solutions for n=4

..2..6..7....5..4..4....7..7..7....1..2..6....5..0..0....6..1..0....2..5..1

..6..6..7....5..6..6....7..7..7....7..6..7....0..5..5....1..6..7....4..3..7

..5..7..7....4..7..7....7..7..7....6..7..6....0..5..7....4..6..7....0..7..3

..7..7..7....4..7..7....7..7..7....7..6..7....5..5..7....4..6..7....6..3..7

..7..7..7....5..7..7....7..7..7....6..7..6....3..7..5....6..6..7....2..7..7

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Jan 14 2012

STATUS

approved

editing

#1 by Ron Hardin at Sat Jan 14 14:02:58 EST 2012

NAME

allocated for Ron Hardin

KEYWORD

allocated

STATUS

approved