The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A237679

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Number of (n+1)X(2+1) 0..2 arrays colored with the upper median plus the lower median minus the minimum of every 2X2 subblock
(history; published version)

#5 by Russ Cox at Mon Aug 11 22:46:10 EDT 2014

LINKS

R. H. Hardin, <a href="/A237679/a237679.txt">Empirical recurrence of order 67</a>

Discussion

Mon Aug 11

22:46

OEIS Server: https://oeis.org/edit/global/2322

#4 by R. H. Hardin at Tue Feb 11 09:54:42 EST 2014

STATUS

editing

approved

#3 by R. H. Hardin at Tue Feb 11 09:54:40 EST 2014

LINKS

R. H. Hardin, <a href="/A237679/a237679.txt">Empirical recurrence of order 67</a>

R. H. Hardin, <a href="/A237679/b237679.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Tue Feb 11 09:54:08 EST 2014

NAME

allocated for R. H. Hardin

Number of (n+1)X(2+1) 0..2 arrays colored with the upper median plus the lower median minus the minimum of every 2X2 subblock

DATA

474, 4146, 35620, 308814, 2688928, 23395998, 203035400, 1763640726, 15330212940, 133229902148, 1157405405328, 10056256933700, 87386040556298, 759320263256056, 6597525952465324, 57325883121376908, 498115222768298578

OFFSET

1,1

COMMENTS

Column 2 of A237683

FORMULA

Empirical recurrence of order 67 (see link above)

EXAMPLE

Some solutions for n=3

..0..2..0....0..0..0....2..2..2....0..1..1....2..2..2....2..2..2....0..0..2

..2..0..0....2..2..0....0..0..2....2..0..1....1..2..2....0..0..2....0..0..2

..2..2..1....1..2..2....2..0..2....0..0..1....2..1..2....0..1..1....2..1..2

..2..2..0....0..0..0....1..0..0....1..2..1....2..0..0....2..1..1....2..2..1

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Feb 11 2014

STATUS

approved

editing

#1 by R. H. Hardin at Tue Feb 11 09:51:57 EST 2014

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved