6476800

Appears in sequences

• Theta series of 23-dimensional shorter Leech lattice.at n=6A004537
• Theta series of laminated lattice LAMBDA_23.at n=3A023945
• Coefficient of x^(3n+1)/(3n+1)! in the Maclaurin expansion of the Dixon elliptic function sm(x,0).at n=4A104133
• Coefficients T(n,k) of x^(3*n+1)*r^(3*k)/(3*n+1)! in power series S(x,r) = Integral C(x,r)^2 * D(x,r)^2 dx such that C(x,r)^3 - S(x,r)^3 = 1 and D(x,r)^3 - r^3*S(x,r)^3 = 1, as a symmetric triangle read by rows.at n=10A357540
• Coefficients T(n,k) of x^(3*n+1)*r^(3*k)/(3*n+1)! in power series S(x,r) = Integral C(x,r)^2 * D(x,r)^2 dx such that C(x,r)^3 - S(x,r)^3 = 1 and D(x,r)^3 - r^3*S(x,r)^3 = 1, as a symmetric triangle read by rows.at n=14A357540
• E.g.f. satisfies A(x) = exp( Integral abs(1/A(x)) dx ), where abs(F(x)) equals the series expansion formed by the unsigned coefficients in F(x).at n=12A381360