-7752

Appears in sequences

• Expansion of (Sum_{n=-inf..inf} x^(n^2))^(-17).at n=3A004418
• G.f. A(x) satisfies: A(x) = x/f(x,A(x)) where f(,) is Ramanujan's theta function; i.e., A(x) = x/Sum_{n=-oo,+oo} x^(n*(n+1)/2)*A(x)^(n*(n-1)/2).at n=7A107944
• Inverse of Riordan array (1/(1-x), x/(1-x)^3), A109955.at n=28A109956
• Tenth convolution of A115140.at n=15A115149
• Expansion of reversion of (x - 2*x^2) / (1 - x)^3.at n=13A134565
• Series reversion of x+x^3+x^4.at n=15A217359
• G.f. A(x,y) satisfies: y = f(x,A(x,y)), where f(x,y) = Sum_{n=-oo..oo} x^(n*(n+1)/2) * y^(n*(n-1)/2) is Ramanujan's theta function.at n=71A354649
• Triangle read by rows: Riordan array (2 - D(x), x * D(x)) where D(x) is g.f. of A001764.at n=28A380191