A236126 Number of (n+1) X (3+1) 0..3 arrays colored with the maximum plus the upper median minus the lower median of every 2 X 2 subblock.

30660, 1546388, 79435700, 4076346506, 209227480445, 10737439549324, 551105575414582, 28284020719761730, 1451755964141843980, 74511926985325716444, 3824363300738515268818, 196285032021223602980618

Offset

1,1

Comments

Column 3 of A236127.

Links

R. H. Hardin, Table of n, a(n) for n = 1..72

Example

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

Crossrefs

Cf. A236127.

Sequence in context: A134118 A235853 A237636 * A236944 A269828 A270057

Adjacent sequences: A236123 A236124 A236125 * A236127 A236128 A236129

Keyword

nonn

Author

R. H. Hardin, Jan 19 2014

Status

approved