4783104
domain: N
Appears in sequences
- Card-matching numbers (Dinner-Diner matching numbers).at n=15A059061
- Card-matching numbers (Dinner-Diner matching numbers).at n=22A059067
- Permanent of the n-th principal submatrix of A204435.at n=12A204436
- Permanent of the n-th principal submatrix of A204437.at n=12A204438
- Permanent of the n-th principal submatrix of A204439.at n=12A204440
- a(n) is the number of permutations pi on n letters such that pi(i) != i (mod 3) for all i.at n=12A340900