180306domain: NAppears in sequencesTriangle T(n,m)= A141686(n,m)*(m-1)! read by rows, n>=1, 1<=m<=n.at n=30A177428Number of n X 4 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=26A209646Expansion of a(q) * b(q)^3 in powers of q where a(), b() are cubic AGM theta functions.at n=30A215711