179487
domain: N
Appears in sequences
- Stirling numbers of the second kind, S(n,6).at n=5A000770
- Triangle of Stirling numbers of the second kind, S2(n,k), n >= 1, 1 <= k <= n.at n=60A008277
- Stirling numbers of second kind S2(11,n).at n=5A011560
- Numbers that are proper divisors of the number you get by rotating digits right once.at n=4A034089
- Number of primitive (aperiodic) word structures of length n which contain exactly six different symbols.at n=10A056282
- Number of palindromic structures using exactly six different symbols.at n=20A056475
- Number of palindromic structures using exactly six different symbols.at n=21A056475
- Number of primitive (aperiodic) palindromic structures using exactly six different symbols.at n=20A056485
- Number of periodic palindromic structures of length n using exactly six different symbols.at n=20A056512
- Number of primitive (period n) periodic palindromic structures using exactly six different symbols.at n=20A056523
- Sixth diagonal of the Stirling2 triangle A048993 and sixth column of triangle A008278.at n=5A112494
- Number of partitions of a {2n-1}-set into n nonempty subsets.at n=5A129506
- Triangle read by rows: T(n,k) is the number of primitive (aperiodic) word structures of length n using exactly k different symbols.at n=60A137651
- Numbers m with the property that shifting the rightmost digit of m to the left end multiplies the number by 4.at n=4A146569
- A triangle sequence related to the Eulerian numbers of the second kind: t(n,m) = Sum_{i=0..m}(-1)^(m-i)*binomial(n-i-1, m-i)*Stirling2(n+i+1, i+1).at n=20A156363
- Number of set partitions of [n] where each subset is again partitioned into six nonempty subsets.at n=11A327507
- a(n) = Stirling2(n, ceiling(n/2)).at n=11A343278
- Odd numbers in the triangle of Stirling numbers of the second kind (A008277).at n=42A348649
- Triangle read by rows. T(n, k) = Sum_{j=0..n}((-1)^(n-j)*binomial(n, j)*j^(n+k)) / n!.at n=26A354977
- Array read by rows: T(n,k) for k <= min(n,10) is the number of digital types of length n with exactly k distinct decimal digits without common prime factors of a different digital type.at n=60A378154