A037149 - OEIS

%I #17 Dec 13 2020 06:17:35

%S 1,1,691,53678953,53678953,53678953,53678953,53678953,53678953,

%T 53678953,53678953,53678953,53678953,53678953,53678953,53678953,

%U 53678953,53678953,53678953,53678953,53678953,53678953,53678953,53678953,53678953,53678953,53678953,53678953

%N Denominators of Fourier coefficients of Eisenstein series of degree 2 and weight 12 when evaluated at Gram(A_2)*z.

%D Helmut Klingen, Introductory Lectures on Siegel Modular Forms, p. 123.

%H N. J. A. Sloane, <a href="/A037150/a037150.pdf">Notes on Two-dimensional Theta Series of Lattices</a> (Notes on some joint work with Eric M. Rains), pages 96-115, circa Jun 08 1998, of N. J. A. Sloane's notebook "Lattices Volume 79".

%H <a href="/index/Ed#Eisen">Index entries for sequences related to Eisenstein series</a>

%F x^24 - 144*x^18*y + (3480192/691)*x^12*y^2 - (2037901234176/53678953)*x^6*y^3 + (21009383424000/53678953)*y^4, x = phi_0(z), y = Delta_12(z). See A037150 for definitions and Maple code.

%Y Cf. A037148, A037150.

%K nonn

%O 0,3

%A _N. J. A. Sloane_.

%E More terms from _Sean A. Irvine_, Dec 13 2020