127426

Appears in sequences

• Number of closed meanders with 2n crossings and 6 digons.at n=10A301940
• a(n) = Sum_{k=0..n} binomial(n, k)*(2^k - binomial(k, floor(k/2))).at n=11A330796
• Position of the first occurrence of an element in the continued fraction of zeta(n) which is larger than the second element.at n=16A343244