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 A264863 Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 6 and columns nondecreasing modulo 7. 0
 1, 2, 5, 12, 72, 516, 2727, 29935, 295297, 2830610, 27816612, 288374240, 4410043504, 44410041788, 716533737436, 16424244452552 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row 2 of A264862. LINKS Table of n, a(n) for n=1..16. EXAMPLE Some solutions for n=4 ..0..1..7..4....1..7..2..3....0..7..2..3....1..7..2..4....0..1..7..2 ..6..2..3..5....6..0..4..5....6..1..4..5....6..0..3..5....6..3..4..5 CROSSREFS Cf. A264862. Sequence in context: A347598 A293023 A145857 * A197706 A205082 A060807 Adjacent sequences: A264860 A264861 A264862 * A264864 A264865 A264866 KEYWORD nonn AUTHOR R. H. Hardin, Nov 26 2015 STATUS approved

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Last modified May 23 07:28 EDT 2024. Contains 372760 sequences. (Running on oeis4.)