76171

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 41 ones.at n=18A031809
• Triangle read by rows: T(n,k) is the number of Dyck paths with no UUU's and no DDD's, of semilength n having k peak plateaux (0 <= k <= floor(n/3); U=(1,1), D=(1,-1)).at n=52A166285
• a(n) = (7*n^4 + 5*n^2)/12.at n=18A185505
• a(n) = Sum_{k=1..n} F(n mod k) where F = A000045, the Fibonacci numbers.at n=46A198259