The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A235835

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Number of (3+1)X(n+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise
(history; published version)

#4 by R. H. Hardin at Thu Jan 16 07:56:23 EST 2014

STATUS

editing

approved

#3 by R. H. Hardin at Thu Jan 16 07:56:20 EST 2014

LINKS

R. H. Hardin, <a href="/A235835/b235835.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Thu Jan 16 07:55:56 EST 2014

NAME

allocated for R. H. Hardin

Number of (3+1)X(n+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise

DATA

3459, 110923, 3294824, 87473420, 2193348247, 52199681720, 1198855696992, 26756779774314, 584558763163487, 12561692389108238, 266585565128278250, 5604206528796221156, 116980551132195105510, 2429031400047509662778

OFFSET

1,1

COMMENTS

Row 3 of A235833

EXAMPLE

Some solutions for n=2

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

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Jan 16 2014

STATUS

approved

editing

#1 by R. H. Hardin at Thu Jan 16 07:47:08 EST 2014

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved