A250954 Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element

10864, 941192, 81431944, 7045780240, 609622239024, 52746349035592, 4563772381621072, 394871276236514256, 34165447249322574280, 2956096975721586686992, 255770377182374037886152

Offset

1,1

Comments

Column 6 of A250956

Links

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

Formula

Empirical: a(n) = 103*a(n-1) -1452*a(n-2) +1999*a(n-3) +25412*a(n-4) -90159*a(n-5) +84285*a(n-6) +261*a(n-7) -20412*a(n-8) +4212*a(n-9)

Example

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

Crossrefs

Sequence in context: A252064 A295993 A185517 * A334003 A214243 A250896

Adjacent sequences: A250951 A250952 A250953 * A250955 A250956 A250957

Keyword

nonn

Author

R. H. Hardin, Nov 28 2014

Status

approved