55136

Appears in sequences

• Number of subsets of {2,...,n} such that the product of their elements is congruent to 0 (mod n+1).at n=15A064381
• Floor(1/{(5+n^4)^(1/4)}), where {}=fractional part.at n=40A184629
• Array read by antidiagonals: T(m,n) = number of irredundant sets in the grid graph P_m X P_n.at n=38A286868
• Array read by antidiagonals: T(m,n) = number of irredundant sets in the grid graph P_m X P_n.at n=42A286868
• Number of divisors d of the n-th superprimorial A006939(n) with distinct prime exponents such that the quotient A006939(n)/d also has distinct prime exponents.at n=11A336419
• The number of even prime gaps g, satisfying g == 0 (mod 6), out of the first 2^n even prime gaps.at n=17A340948