A250972 Number of (n+1)X(7+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements

26154, 3090834, 364210219, 43025963570, 5084110136919, 600808386292820, 71001116832347962, 8390658772408694576, 991579229128088199012, 117181450181585451488011, 13848104464047186015193590

Offset

1,1

Comments

Column 7 of A250973

Links

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

Example

Some solutions for n=1
..1..0..0..1..1..1..1..1....0..1..0..1..1..0..1..0....0..1..0..1..0..1..0..0
..1..1..1..0..1..0..1..0....1..1..1..1..0..1..1..1....0..1..0..1..1..0..0..1

Crossrefs

Sequence in context: A236493 A236488 A235435 * A235096 A235900 A245787

Adjacent sequences: A250969 A250970 A250971 * A250973 A250974 A250975

Keyword

nonn

Author

R. H. Hardin, Nov 29 2014

Status

approved