137431
domain: N
Appears in sequences
- 4-dimensional analog of centered polygonal numbers.at n=27A006322
- Array T(n,k) read by antidiagonals: expansion of exp(x+y)/(1-xy).at n=71A099597
- Array T(n,k) read by antidiagonals: expansion of exp(x+y)/(1-xy).at n=72A099597
- Recurrence a(n) = n*(n + 1)*a(n-1) + 1 with a(0) = 1.at n=5A228229
- Interleaving A006040 and A228229.at n=10A375231