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A254421 Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
876277, 186426904, 27927013232, 5303248513516, 899162029841114, 164134852428558128, 29011762459538515234, 5237530517554875542178, 937456678553436604885156, 168782928687101033969181698 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A254422
LINKS
EXAMPLE
Some solutions for n=1
..0..0..1..1..1..0..1..1....0..0..1..2..0..1..1..0....0..0..2..2..2..2..2..2
..0..0..1..0..1..0..1..0....0..0..1..2..2..2..2..2....2..0..2..1..0..1..0..0
CROSSREFS
Sequence in context: A204509 A271263 A253523 * A254428 A271264 A224595
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 30 2015
STATUS
approved

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Last modified April 14 16:12 EDT 2024. Contains 371665 sequences. (Running on oeis4.)