51514368
domain: N
Appears in sequences
- Number of involutions (plus identity) in a fixed Sylow 2-subgroup of the symmetric group of degree n.at n=38A332759
- Number of involutions (plus identity) in a fixed Sylow 2-subgroup of the symmetric group of degree n.at n=39A332759
- Number of involutions (plus identity) in a fixed Sylow 2-subgroup of the symmetric group of degree 2n.at n=19A332868