A233701 Number of (n+2)X(1+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically, diagonally downwards or antidiagonally downwards

164860, 7461298, 328460622, 14427107117, 631613667020, 27642215885625, 1209239039517246, 52896759712898805, 2313778205160272562, 101207126089252434397, 4426874016515242894292, 193634505537387095028700

Offset

1,1

Comments

Column 1 of A233705

Links

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

R. H. Hardin, Empirical recurrence of order 70

Formula

Empirical recurrence of order 70 (see link above)

Example

Some solutions for n=1
..1..1..0....0..3..0....1..3..2....0..0..0....0..3..0....2..1..1....1..0..0
..1..3..2....3..3..0....0..2..0....0..0..3....2..3..0....2..3..3....2..1..3
..0..1..1....1..3..2....1..1..0....2..1..3....2..0..1....1..3..0....1..0..0

Crossrefs

Sequence in context: A226004 A233705 A233706 * A224582 A352974 A327942

Adjacent sequences: A233698 A233699 A233700 * A233702 A233703 A233704

Keyword

nonn

Author

R. H. Hardin, Dec 15 2013

Status

approved