6711344640
domain: N
Appears in sequences
- Differences of 0: 6!*Stirling2(n,6).at n=12A000920
- Number of primitive (aperiodic) words of length n which contain exactly six different symbols.at n=12A056271
- Palindromes using exactly six different symbols.at n=24A056457
- Palindromes using exactly six different symbols.at n=25A056457
- Number of primitive (aperiodic) palindromes using exactly six different symbols.at n=24A056467
- Number of periodic palindromes using exactly six different symbols.at n=24A056492
- Number of primitive (period n) periodic palindromes using exactly six different symbols.at n=24A056502
- a(n) = Stirling2(n, floor(n/2)) * floor(n/2)!.at n=13A344397
- a(n) = Sum_{k=0..n} (-1)^k * binomial(n, k) * (n - k)^(2*n + 1).at n=6A367392