Triangular array read by rows. T(n,k) = A002884(n)/A002884(n-k)*2^((n-k)(n-k-1)), n>=0, 0<=k<=n.

A348958

Triangular array read by rows. T(n,k) = A002884(n)/A002884(n-k)*2^((n-k)(n-k-1)), n>=0, 0<=k<=n.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =4a(4) =6a(5) =6a(6) =64a(7) =112a(8) =168a(9) =168a(10) =4096a(11) =7680a(12) =13440a(13) =20160a(14) =20160a(15) =1048576a(16) =2031616a(17) =3809280a(18) =6666240a(19) =9999360a(20) =9999360a(21) =1073741824a(22) =2113929216a(23) =4095737856a(24) =7679508480a(25) =13439139840a(26) =20158709760a(27) =20158709760

External references