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A254420 Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
192393, 19879926, 1753478415, 176249310185, 16806656467840, 1673449182032706, 164418838931876650, 16368555019250756262, 1625729268307953246012, 162130066719295571834122, 16168447770514229315247232 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A254422

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A221003 A206619 A253522 * A254427 A253373 A204228

Adjacent sequences:  A254417 A254418 A254419 * A254421 A254422 A254423

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 30 2015

STATUS

approved

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Last modified December 2 11:34 EST 2021. Contains 349440 sequences. (Running on oeis4.)