953029440
domain: N
Appears in sequences
- Differences of 0: 6!*Stirling2(n,6).at n=11A000920
- Palindromes using exactly six different symbols.at n=22A056457
- Palindromes using exactly six different symbols.at n=23A056457
- Number of primitive (aperiodic) palindromes using exactly six different symbols.at n=22A056467
- Number of periodic palindromes using exactly six different symbols.at n=22A056492
- Number of primitive (period n) periodic palindromes using exactly six different symbols.at n=22A056502
- Number of sequences over the alphabet of n symbols of length 2n which have n distinct symbols. Also number of placements of 2n balls into n cells where no cell is empty.at n=5A210029
- a(n) = Stirling2(n, floor(n/2)) * floor(n/2)!.at n=12A344397