Triangle read by rows: T(n,k) is the number of k-factors of the n-dimensional hypercube graph, 0 <= k <= n.

A389384

Triangle read by rows: T(n,k) is the number of k-factors of the n-dimensional hypercube graph, 0 <= k <= n.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =9a(8) =9a(9) =1a(10) =1a(11) =272a(12) =2970a(13) =272a(14) =1a(15) =1a(16) =589185a(17) =2907019740a(18) =2907019740a(19) =589185a(20) =1a(21) =1

External references