37274

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 65.at n=36A020404
• a(n) is smallest difference d of an arithmetic progression dk+1 whose first prime occurs at the n-th position.at n=34A047980
• a(n) = A047980(2n+1).at n=17A047982
• G.f. A(x) = Sum_{n>=0} A_n(x)^(n+1) where A_{n+1}(x) = A_n( A(x) ) with A_0(x)=x and A(0)=0.at n=7A154757
• The number of simple permutations of length n in a particular geometric grid class.at n=20A226432