-1920

Appears in sequences

• Expansion of eta(q^2)^12 / theta_3(q)^3 in powers of q.at n=59A029769
• Expansion of x(1-4x)/((1-2x)(1-8x^2)).at n=8A098656
• Expansion of eta(q)^4 * eta(q^2) * eta(q^6)^5 / eta(q^3)^4 in powers of q.at n=43A111661
• Expansion of 1/sqrt(1+4*x+12*x^2).at n=7A116093
• Determinants of 3 X 3 matrices of discrete blocks of 9 consecutive primes.at n=4A117329
• a(n) is the determinant of the 3 X 3 matrix with entries the 9 consecutive primes starting with the n-th prime.at n=36A117330
• T(n, m) = 2^m * binomial(-m, n), for 0 <= m <= n, n >= 0, triangle read by rows.at n=32A122496
• Expansion of g.f. (1+x)^2*(x^2-6*x+1)/(x-1)^4.at n=9A136264
• Triangular sequence of coefficients of the expansion of a degenerate partition of Chebyshev U(x,n);A053117 and Hermite H(x,n);A060821 functions: 1) f(x,t)=1/(1-2*x*t+t^2); 2) g(x,t)=Exp[2*x*t-t^2]; to give: p(x,t)=Exp[2*x*t-t^2]/(1-2*x*t+t^2).at n=21A137862
• Triangle read by rows, based on the two-variable g.f. exp(x*t)*(x*(1 - 2*exp(x)) - 2*exp(x))/(1 - exp(t)) (the first of two parts).at n=35A138133
• Expansion of (eta(q)^2 * eta(q^4)^4 / eta(q^2)^3)^2 in powers of q.at n=43A138501
• Denominators of a series expansion for Pi/2.at n=11A156269
• Inverse binomial transform of A131800.at n=12A173315
• Expansion of (2/Pi)*elliptic_E(k) in powers of q.at n=7A194094
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max(2i-1, 2j-1) (A204022).at n=35A204023
• Triangle of coefficients in the logarithm of a generalized theta function.at n=73A227311
• Triangle read by rows giving coefficients in Gould's polynomials for counting fountains of coins.at n=20A259879
• Right-hand diagonal of triangle A259879.at n=5A259880
• Alternating sum of heptagonal numbers.at n=39A266085
• Triangle read by rows, the coefficients of the (3x+1)-polynomials.at n=12A271082