4238153domain: NPropertiesPrimalityPrimeyesAppears in sequencesExpansion of 1/(exp(-x) - x) as exponential generating function.at n=8A072597Triangular array read by rows. T(n,k) is the number of partial functions on [n] with index k, n=0 implies k=1, otherwise n >= 1, 1 <= k <= n.at n=29A341093Prime numbersat n=298809