61960
domain: N
Appears in sequences
- Half-convolution of sequence A000032 (Lucas) with itself.at n=18A201207
- Bisection of A201207 (half-convolution of the Lucas sequence A000032 with itself); even part.at n=9A203570
- a(n) = Sum_{k=0..n} q(n,k) * !k, where q(n,k) = number of partitions of n into k distinct parts and !k = subfactorial of k.at n=35A331518