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A264832 Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 7. 0

%I #3 Nov 26 2015 07:06:54

%S 1,2,4,15,134,978,10370,114292,2035620,29935144,567866832,14295267600,

%T 488489391072,12470564424960

%N Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 7.

%C Row 2 of A264831.

%e Some solutions for n=4

%e ..4..0..1..7....0..1..7..3....0..2..7..3....0..1..2..7....0..1..5..7

%e ..5..2..6..3....4..5..2..6....4..5..1..6....4..5..6..3....4..2..6..3

%Y Cf. A264831.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 26 2015

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)