171798901

Properties

Appears in sequences

• Stirling numbers of the second kind, S(n,4).at n=12A000453
• Stirling numbers of second kind S2(16,n).at n=3A011565
• Number of palindromic structures using exactly four different symbols.at n=30A056473
• Number of primitive (aperiodic) palindromic structures using exactly four different symbols.at n=30A056483
• Number of periodic palindromic structures of length n using exactly four different symbols.at n=30A056510
• Number of primitive (period n) periodic palindromic structures using exactly four different symbols.at n=30A056521
• O.g.f.: Sum_{n>=0} (n^4)^n * exp(-n^4*x) * x^n / n!.at n=4A217914
• a(n) = Stirling2(n^2, n).at n=4A218141
• Numerator of 24*Stirling_2(n,4)/n!.at n=12A324003
• Prime numbersat n=9598124