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A205438 Number of (n+1)X7 0..3 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..3 introduced in row major order 1
108173, 31378965, 14089784418, 6789317584699, 3300774182686057, 1606623426666766016, 782131966561958879310, 380763362978291361279362, 185366619385244895663595976, 90241868748566904487116158823 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A205440

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..17

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A178284 A157825 A205607 * A102333 A236650 A237789

Adjacent sequences:  A205435 A205436 A205437 * A205439 A205440 A205441

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 27 2012

STATUS

approved

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Last modified October 22 07:53 EDT 2021. Contains 348160 sequences. (Running on oeis4.)