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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.
1
30660, 1546388, 79435700, 4076346506, 209227480445, 10737439549324, 551105575414582, 28284020719761730, 1451755964141843980, 74511926985325716444, 3824363300738515268818, 196285032021223602980618
OFFSET
1,1
COMMENTS
Column 3 of A236127.
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 19 2014
STATUS
approved