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 A198601 Number of 2nX10 0..3 arrays with values 0..3 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors 1
 14, 1985, 309770, 49726877, 8055413256, 1308245895665, 212660032469362, 34578446232234461, 5622954055105266638, 914399588312051428232, 148700162991801408836106, 24181772212240990503470021 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A198604 LINKS R. H. Hardin, Table of n, a(n) for n = 1..16 EXAMPLE Some solutions for n=3 ..0..0..1..1..2..2..3..3..2..2....0..0..0..0..1..1..2..2..0..0 ..0..0..1..1..2..2..3..3..2..2....0..1..1..0..1..1..2..2..0..0 ..1..1..3..3..3..3..1..1..0..0....0..1..1..0..0..0..0..0..1..1 ..1..1..3..0..0..3..1..1..0..0....0..0..0..1..1..3..3..0..1..1 ..0..0..3..0..0..3..2..2..1..1....3..3..0..1..1..3..3..0..2..2 ..0..0..3..3..3..3..2..2..1..1....3..3..0..0..0..0..0..0..2..2 CROSSREFS Sequence in context: A060614 A160305 A279804 * A233076 A134814 A258487 Adjacent sequences:  A198598 A198599 A198600 * A198602 A198603 A198604 KEYWORD nonn AUTHOR R. H. Hardin Oct 27 2011 STATUS approved

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Last modified September 26 13:34 EDT 2021. Contains 347668 sequences. (Running on oeis4.)