694337290
domain: N
Appears in sequences
- Stirling numbers of the second kind, S(n,4).at n=13A000453
- Stirling numbers of second kind S2(17,n).at n=3A011566
- Number of primitive (aperiodic) word structures of length n which contain exactly four different symbols.at n=16A056280
- Number of periodic palindromic structures of length n using exactly four different symbols.at n=32A056510