A236197 Number of (n+1)X(3+1) 0..3 arrays colored with the upper median plus the lower median minus the minimum of every 2X2 subblock

33546, 1971348, 114241318, 6664918820, 390311787452, 22840834091972, 1334884680785446, 78032386745939988, 4563218729079677710, 266833728103517915052, 15601261194581194990440, 912195224615646372620048

Offset

1,1

Comments

Column 3 of A236198

Links

R. H. Hardin, Table of n, a(n) for n = 1..61

Example

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

Crossrefs

Sequence in context: A069303 A235678 A235448 * A217565 A142587 A116496

Adjacent sequences: A236194 A236195 A236196 * A236198 A236199 A236200

Keyword

nonn

Author

R. H. Hardin, Jan 20 2014

Status

approved