-596

Appears in sequences

• Expansion of 1/(1+2*x^2+x^3).at n=19A077967
• a(n) = floor( prime(n-1)*A036263(n-2)/ A001223(n-1)).at n=33A094900
• Expansion of q * f(-q^20) / (f(q) * chi(-q^5)) in powers of q where f(), chi() are Ramanujan theta functions.at n=21A145724
• Choose smallest m>0 such that the n-th rational prime p ramifies in the imaginary quadratic extension field K = Q(sqrt(-m)); a(n) = discriminant(K).at n=34A220861
• G.f.: 1 / (1 + x + Sum_{k>=2} prime(k-1) * x^k).at n=34A346792
• a(n) = A353750(n) - A353749(n).at n=28A353757