-1590

Appears in sequences

• Expansion of (1-4*x)/(1-x*(1-x)^3).at n=14A119306
• Expansion of quotient of a Ramanujan false theta series by the theta series of triangular numbers in powers of x.at n=39A143065
• G.f. satisfies: A(x) = exp( Sum_{n>=1} A(-x^n)^3 * x^n/n ).at n=7A200402
• Expansion of the series reversion of -1 + Product_{k>=1} (1 + x^(2*k-1)).at n=13A291646
• a(n) = Sum_{d|n} (-1)^(d-1)*d^2.at n=45A321543
• E.g.f. A(x) satisfies: [x^k] A(x)^n = 0 for k = n*(n-1)/2 + 1 through n*(n+1)/2, for n > 1.at n=6A352850
• Expansion of Sum_{k>=0} (-2)^k * x^(2*k)/Product_{j=1..k} (1 - j * x).at n=11A353261