3876600

Appears in sequences

• Triangle T(n,k) = Number of k-cycles on the graph of an n-orthoplex. n>=2, k>=3.at n=35A167986
• Scaled g.f. T(u) = Sum_{n>=0} a(n)*(u/16)^n satisfies 5*(21*u-16)*T + d/du( 4*u*(u-1)*(27*u-32)*T') = 0, and a(0)=1; sequence gives a(n).at n=6A318495