A250954 - OEIS

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

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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