A250953 Number of (n+1)X(5+1) 0..1 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element

2911, 134456, 6204344, 286298344, 13211127617, 609622239024, 28130774228952, 1298083303266168, 59899533694064023, 2764039970645608136, 127545516428291433088, 5885536726506369363688, 271585732913285543900561

Offset

1,1

Comments

Column 5 of A250956

Links

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

Formula

Empirical: a(n) = 57*a(n-1) -516*a(n-2) +637*a(n-3) +2799*a(n-4) -3639*a(n-5) -100*a(n-6) +429*a(n-7)

Example

Some solutions for n=2
..1..1..0..0..0..1....0..0..0..0..1..1....1..1..0..1..1..0....0..1..1..0..1..1
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..1..1..1....1..1..1..0..0..1
..0..1..0..1..1..0....1..1..1..1..1..1....1..1..1..1..0..1....1..0..1..1..0..0

Crossrefs

Sequence in context: A157183 A054829 A289228 * A334002 A344474 A203376

Adjacent sequences: A250950 A250951 A250952 * A250954 A250955 A250956

Keyword

nonn

Author

R. H. Hardin, Nov 28 2014

Status

approved