-818

Appears in sequences

• McKay-Thompson series of class 40d for the Monster group.at n=65A112182
• Expansion of f(-q)^2*P(q) in powers of q.at n=34A122163
• Triangle of the numerators of coefficients c(n,k) = [x^k] P(n,x) of some polynomials P(n,x).at n=17A141904
• Expansion of c(q^3) / (c(q^3) + c(q^6)) where c() is a cubic AGM function.at n=31A145977
• Numerator of Hermite(n, 4/21).at n=2A159707
• Expansion of c(-q) * c(-q^3) / c(q^2)^2 in powers of q where c() is a cubic AGM theta function.at n=31A164616
• a(n) = (6-(-4)^n)/5.at n=6A166114
• a(n) = 1 + 3*n - 2*n^2.at n=21A168244
• Expansion of f(x, x^5) * f(-x^6) / f(x)^2 in powers of x where f() is a Ramanujan theta function.at n=15A254346
• Expansion of Product_{k>=1} (1 - x^k)^k/(1 - x^(4*k))^(4*k).at n=29A285284
• Expansion of (Product_{k>0} theta_4(q^k)/theta_3(q^k))^(1/2), where theta_3() and theta_4() are the Jacobi theta functions.at n=35A320992
• Triangle read by rows: Coefficients of the polynomials P(n, x) * EZ(n, x), where P denote the signed Pascal polynomials and EZ the Eulerian zig-zag polynomials A205497.at n=45A373572