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A236253 Number of (n+1)X(3+1) 0..3 arrays colored with the maximum plus the upper median plus the lower median of every 2X2 subblock 1
40120, 3307762, 270817218, 22624359354, 1882056542771, 156211259916826, 12976742344240838, 1078575251562083482, 89617893548204957822, 7445722762610445345272, 618663333785511156307659 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A236254

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..53

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A031645 A250079 A237238 * A076778 A172863 A159720

Adjacent sequences:  A236250 A236251 A236252 * A236254 A236255 A236256

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 21 2014

STATUS

approved

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Last modified June 15 00:00 EDT 2021. Contains 345041 sequences. (Running on oeis4.)