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A254486 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
19456, 278848, 3912576, 50028672, 640020096, 8348864128, 109168144000, 1413241384576, 18387122007680, 238919596322432, 3105091464081024, 40365421515320960, 524818036499951232, 6821133051554639488 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A254491

LINKS

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

R. H. Hardin, Empirical recurrence of order 66

FORMULA

Empirical recurrence of order 66 (see link above)

EXAMPLE

Some solutions for n=1

..1..0..0..1..0....0..1..1..0..0....0..0..1..0..0....0..1..1..0..0

..1..1..0..1..1....1..0..0..1..0....0..1..1..1..0....0..1..0..0..1

..1..0..1..1..1....0..0..0..0..0....0..0..1..0..0....0..1..1..0..1

CROSSREFS

Sequence in context: A321642 A204592 A140930 * A254493 A253858 A336982

Adjacent sequences: A254483 A254484 A254485 * A254487 A254488 A254489

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 2015

STATUS

approved

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Last modified December 4 09:26 EST 2022. Contains 358552 sequences. (Running on oeis4.)