1244160000
domain: N
Appears in sequences
- Number of n X 1 arrays of permutations of 0..n*1-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 4.at n=20A264635
- Number of labeled simple graphs with vertices {1..n} such that every edge has a different sum.at n=10A327904
- a(n) = 2^(n^2 - 1) * Product_{j=1..n, k=1..n} (1 + sin(Pi*j/n)^2 + sin(Pi*k/n)^2).at n=4A340396