This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A037191 #10 Jul 08 2025 22:04:14 %S A037191 1,0,756,17472,700812,13487040,143699220,1061439552,6038839548, %T A037191 27868766016,109814205816,378998996544,1173180111852,3325312497024, %U A037191 8715279904416,21337957069632,49450420013148,108741984430464,228329201738484,461698406495424,899506102392072 %N A037191 Theta series of lattice A_2 tensor E_7^2+ (dimension 28, min norm 4). %H A037191 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". %F A037191 G.f.: phi_0(z)^14 - 84*phi_0(z)^8*Delta_12(z) + 1008*phi_0(z)^2*Delta_12(z)^2 where phi_0(z) is the theta series of the A_2 lattice given in A004016, and Delta_12 is the 12-dimensional cusp form given in A007332. - _Sean A. Irvine_, Dec 16 2020 %K A037191 nonn %O A037191 0,3 %A A037191 _N. J. A. Sloane_ %E A037191 More terms from _Sean A. Irvine_, Dec 16 2020