Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 6.
A264726
Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 6.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =12a(4) =69a(5) =278a(6) =2524a(7) =27024a(8) =250688a(9) =3721984a(10) =56111104a(11) =835883008a(12) =17920733184a(13) =437473529856
External references
- oeis: A264726