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A184026 1/8 the number of (n+1)X7 0..3 arrays with all 2X2 subblock sums the same 1
7684, 11541, 18701, 35256, 70867, 159318, 374381, 950430, 2493379, 6918426, 19700261, 58562166, 177935707, 560102058, 1799006381, 5959407990, 20122577299, 69815060586, 246423783221, 889827288726, 3258504907147, 12147037985898 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A184029

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..28

EXAMPLE

Some solutions for 4X7

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

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

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

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

CROSSREFS

Sequence in context: A162141 A133859 A012082 * A307134 A183974 A035907

Adjacent sequences:  A184023 A184024 A184025 * A184027 A184028 A184029

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 08 2011

STATUS

approved

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Last modified July 21 06:55 EDT 2019. Contains 325192 sequences. (Running on oeis4.)