-1109

Appears in sequences

• Values of n such that L(6) and N(6) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=8A226926
• Values of n such that L(14) and N(14) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=4A227517
• Expansion of f(-x) * f(x^4, x^8) / f(-x^3)^2 in powers of x where f(, ) is Ramanujan's general theta function.at n=47A263050
• a(n) = 137*n^2 - 4043*n + 27277.at n=18A267706
• Numerators of the partial alternating sums of the reciprocals of the alternating sum of divisors function (A206369).at n=17A379621