528271744000
domain: N
Appears in sequences
- Triple factorial numbers (3*n-2)!!! with leading 1 added.at n=11A007559
- Triple factorial numbers a(n) = n!!!, defined by a(n) = n*a(n-3), a(0) = a(1) = 1, a(2) = 2. Sometimes written n!3.at n=31A007661
- a(n) = (n+1)*a(n-3), a(0)=a(1)=a(2)=1 for n>1.at n=30A081406
- Triple factorials n!!!: a(n) = n*a(n-3).at n=31A161474
- Triangle read by rows. A generalization of unsigned Lah numbers, called L[3,2].at n=55A290598