A235967 Number of (n+1)X(3+1) 0..3 arrays colored with the upper median value of each 2X2 subblock

13194, 119770, 872370, 7116040, 60649470, 512448944, 4326517048, 36654517336, 310058272376, 2622217549676, 22194876850280, 187757780316632, 1588052904722638, 13434803694817160, 113682844748325674

Offset

1,1

Comments

Column 3 of A235972

Links

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

R. H. Hardin, Empirical recurrence of order 88

Formula

Empirical recurrence of order 88 (see link above)

Example

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

Crossrefs

Sequence in context: A252590 A252587 A346904 * A184001 A345583 A345840

Adjacent sequences: A235964 A235965 A235966 * A235968 A235969 A235970

Keyword

nonn

Author

R. H. Hardin, Jan 17 2014

Status

approved