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A250795 Number of (n+1)X(6+1) 0..1 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction 1
530, 1818, 6230, 21610, 76110, 270598, 968942, 3485538, 12580830, 45517150, 164970110, 598685226, 2174802030, 7906183238, 28758522030, 104655742642, 380990823486, 1387358367918, 5053131325982, 18408177907066, 67069331582158 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A250797

LINKS

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

FORMULA

Empirical: a(n) = 12*a(n-1) -49*a(n-2) +50*a(n-3) +165*a(n-4) -408*a(n-5) +a(n-6) +618*a(n-7) -224*a(n-8) -344*a(n-9) +108*a(n-10) +72*a(n-11)

EXAMPLE

Some solutions for n=4

..1..1..1..1..0..0..1....1..0..0..1..0..0..1....1..0..0..0..1..0..1

..1..1..1..1..0..1..0....1..0..0..1..0..1..0....0..1..1..1..0..1..0

..1..1..1..1..0..0..1....1..0..0..0..1..0..1....0..1..1..1..1..0..1

..1..1..1..1..0..1..0....1..0..0..1..0..1..0....0..1..1..1..1..0..0

..1..1..1..1..0..1..1....1..0..0..1..0..1..1....0..1..1..1..1..0..1

CROSSREFS

Sequence in context: A013907 A048455 A158368 * A031724 A251004 A098259

Adjacent sequences:  A250792 A250793 A250794 * A250796 A250797 A250798

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 27 2014

STATUS

approved

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Last modified October 23 12:19 EDT 2019. Contains 328345 sequences. (Running on oeis4.)