A233615 Number of (n+2)X(5+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards

4828862487, 7222554443566, 10751985514076079, 16001415247695961563, 23811740158656753556614, 35434158790481694776332009, 52729363102903526091849167544, 78466250685870205472674087101036

Offset

1,1

Comments

Column 5 of A233618

Links

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

R. H. Hardin, Empirical recurrence of order 51

Formula

Empirical recurrence of order 51 (see link above)

Example

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

Crossrefs

Sequence in context: A175568 A224472 A015384 * A217146 A072018 A227799

Adjacent sequences: A233612 A233613 A233614 * A233616 A233617 A233618

Keyword

nonn

Author

R. H. Hardin, Dec 14 2013

Status

approved