-2128

Appears in sequences

• G.f. A(x) satisfies: 2^n + 1 = Sum_{k=0..n} [x^k] A(x)^n for n>=1.at n=8A100238
• Determinants of 4 X 4 matrices of 16 consecutive primes.at n=26A118799
• Triangular array from Steinbach matrices plus their squares as characteristic polynomials: M[i,j]=A[i,j]+A[i,j]^2: A[i,j]^2=Min[i,j]; CharacteristicPolynomial[M[i,j]];.at n=62A122073
• Row sums of number triangle A174014.at n=11A174016
• Expansion of q * (f(-q, -q^7) / f(-q^3, -q^5))^2 in powers of q where f(,) is Ramanujan's two-variable theta function.at n=55A230535
• Expansion of Product_{k>=1} (1 - q^k)^8/(1 - q^(7*k)) in powers of q.at n=32A282942
• Expansion of e.g.f. (1 + log(1-x))^x.at n=7A354083
• G.f. satisfies A(x) = 1 + x*A(x) / (1 + x*A(x)^4).at n=9A364737