A266098 Number of nX5 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.

9, 100, 736, 6307, 53442, 457738, 3899732, 33335734, 284461696, 2429715557, 20742789506, 177131531358, 1512387248385, 12914053828252, 110266892304637, 941535315103858, 8039395936919182, 68645593300515776, 586139023034958513

Offset

1,1

Comments

Column 5 of A266101.

Links

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

Formula

Empirical: a(n) = a(n-1) +74*a(n-2) +76*a(n-3) -1329*a(n-4) -1483*a(n-5) +10492*a(n-6) +9562*a(n-7) -37686*a(n-8) -32576*a(n-9) +49666*a(n-10) +84934*a(n-11) -16375*a(n-12) -90227*a(n-13) -34968*a(n-14) +34720*a(n-15) +23431*a(n-16) +2409*a(n-17) for n>20

Example

Some solutions for n=4
..1..0..1..2..1....0..0..0..1..2....0..0..1..1..0....0..0..0..1..2
..0..1..2..0..1....1..2..2..1..2....0..1..1..0..0....1..1..1..1..2
..2..1..0..1..2....1..0..0..1..1....2..1..2..1..2....1..0..0..1..1
..1..0..1..1..0....1..1..2..0..1....0..0..1..1..0....1..1..1..0..1

Crossrefs

Cf. A266101.

Sequence in context: A132544 A017018 A027769 * A065736 A092936 A056002

Adjacent sequences: A266095 A266096 A266097 * A266099 A266100 A266101

Keyword

nonn

Author

R. H. Hardin, Dec 21 2015

Status

approved