-780

Appears in sequences

• Glaisher's function V(n).at n=18A002611
• Expansion of q^(-1/2) * (eta(q) * eta(q^2))^4 in powers of q.at n=53A030211
• Exponential transform of Stirling1 triangle A008275.at n=19A055924
• McKay-Thompson series of class 12I for the Monster group.at n=57A058487
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 10.at n=38A060029
• Expansion of (1-x)^(-1)/(1 + x - x^2 + 2*x^3).at n=11A077903
• Alternating sum of squares to n.at n=38A089594
• Expansion of (1+x^2)^2/(1+x^2-2x^3+x^4+x^6).at n=23A099493
• a(n) = -A001353(n).at n=6A106707
• a(n) = - 4*a(n-2) - a(n-4), a(0) = 1, a(1) = -4, a(2) = -6, a(3) = 15.at n=9A109731
• McKay-Thompson series of class 36f for the Monster group.at n=57A112176
• a(0) = 1, a(1) = -4, a(n) = -4*a(n-1) - a(n-2) for n > 1.at n=5A125905
• Coefficients of Laguerre recursive polynomials with an (n+2)!/2 multiplication factor and alpha=a0 =0 from Hochstadt: P(x, n) = (2*n + a0 + 1 - x)*P(x, n - 1)/(n + 1) - n*P(x, n - 2)/(n + 1);.at n=43A136533
• Triangle T(n, k, m) = t(n, m)/(t(k, m)*t(n-k, m)), where t(n, k) = Product_{j=1..n} p(j, k+1), p(n, x) = Sum_{j=0..n} (-1)^j*A053122(n, j)*x^j, and m = 5, read by rows.at n=22A156599
• Triangle T(n, k, m) = t(n, m)/(t(k, m)*t(n-k, m)), where t(n, k) = Product_{j=1..n} p(j, k+1), p(n, x) = Sum_{j=0..n} (-1)^j*A053122(n, j)*x^j, and m = 5, read by rows.at n=26A156599
• Riordan array (1/(1+4x+x^2), x/(1+4x+x^2)).at n=15A159764
• Expansion of psi(-x)^6 in powers of x where psi() is a Ramanujan theta function.at n=19A213791
• Array of coefficients of powers of x^2 for S(2*n,x)^3 with Chebyshev's S polynomials A049310.at n=37A220666
• Difference between sums of quadratic residues and non-residues modulo n that are coprime to n.at n=64A255643
• Difference between sums of quadratic residues and non-residues modulo n (residues are not necessarily coprime to n).at n=64A255644