A234064 Number of (n+2)X(4+2) 0..3 arrays with no increasing sequence of length 3 horizontally or diagonally downwards

24576912260, 61295636223137, 151699488521954708, 375374879187809108516, 928769780045181953374609, 2298004446356335095754321693, 5685825332236187139418052355753, 14068124971496552813730933815669231

Offset

1,1

Comments

Column 4 of A234068

Links

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

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
..0..1..1..1..3..1....0..0..0..0..3..3....0..0..1..1..1..0....0..0..0..1..1..1
..0..2..1..1..0..0....2..0..1..0..1..0....1..3..1..1..0..0....0..1..0..1..0..0

Crossrefs

Sequence in context: A172612 A293624 A238356 * A017290 A017398 A017662

Adjacent sequences: A234061 A234062 A234063 * A234065 A234066 A234067

Keyword

nonn

Author

R. H. Hardin, Dec 19 2013

Status

approved