31675

Appears in sequences

• Numbers k such that k | 7^k + 7.at n=29A015893
• Number of directed cycles of B-trees of order 3 with n labeled leaves.at n=18A058519
• a(n) is the smallest k such that number of non-unitary prime divisors of central binomial coefficient, A001405(k) = C(k, floor(k/2)) equals n.at n=23A081394
• a(n) = (6*n+1)*(6*n+7).at n=29A085026
• -5-Knödel numbers.at n=31A225509
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 526", based on the 5-celled von Neumann neighborhood.at n=14A282913
• Expansion of e.g.f. exp(x)*(1+tan(x))/((1-tan(x))*(tan(x)+sec(x))).at n=7A292757