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 A209732 1/4 the number of (n+1)X5 0..3 arrays with every 2X2 subblock having distinct edge sums 1
 3912, 86744, 1995752, 47572464, 1138541280, 27425792944, 660346502176, 15926642688032, 383927816903616, 9260294185296568, 223295813816665920, 5385580739872287984, 129876262463016021256, 3132320639165421379936 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A209736 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..0..1..0..1..3....3..3..0..0..3....2..1..1..1..0....1..0..0..0..0 ..3..3..2..2..3....1..2..2..1..1....3..3..0..3..0....3..2..3..1..2 ..0..1..0..1..1....3..3..0..0..3....0..2..2..3..2....1..0..3..0..2 ..0..2..0..2..3....0..1..1..2..2....0..1..0..3..0....2..2..2..0..1 ..3..2..3..2..0....3..3..0..0..1....2..2..0..1..0....1..0..3..3..3 CROSSREFS Sequence in context: A068240 A022212 A131409 * A221239 A136459 A235315 Adjacent sequences: A209729 A209730 A209731 * A209733 A209734 A209735 KEYWORD nonn AUTHOR R. H. Hardin Mar 12 2012 STATUS approved

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Last modified October 3 20:04 EDT 2023. Contains 365870 sequences. (Running on oeis4.)