30533

Appears in sequences

• Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 22.at n=51A051963
• Expansion of g.f.: x^4/((1+2*x) * (1-2*x+x^2+2*x^3)).at n=19A123957
• Expansion of Product_{k>=1} 1/(1 - (5*k-3)*x^(5*k-3)).at n=28A265833
• Inverse of A282291: if A282291(k) = n, a(n) = k, or 0 if n does not occur in A282291.at n=40A304090
• Numerators of the partial sums of the reciprocals of the sum of bi-unitary divisors function (A188999).at n=34A379615