17041024000
domain: N
Appears in sequences
- Triple factorial numbers (3*n-2)!!! with leading 1 added.at n=10A007559
- 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=28A007661
- a(n) = (n+1)*a(n-3), a(0)=a(1)=a(2)=1 for n>1.at n=27A081406
- Triangle of numbers obtained from the partition array A134150.at n=45A134151
- Triple factorials n!!!: a(n) = n*a(n-3).at n=28A161474
- a(n) = Product_{k in M_n} k, M_n = {k | 1 <= k <= 3n and k mod 3 = n mod 3}.at n=10A190903
- Triangle read by rows: T(n, k) is the Sheffer triangle ((1 - 3*x)^(-1/3), (-1/3)*log(1 - 3*x)). A generalized Stirling1 triangle.at n=55A286718
- Triangle read by rows. A generalization of unsigned Lah numbers, called L[3,2].at n=45A290598