A063517 Theta series of 48-dimensional even unimodular lattice midway between A_48 and A^*_48.

1, 2352, 1271256, 451588032, 68792749536, 6694931701920, 435696971026464, 15171609364872576, 327317553724133280, 4913562339796917744, 55439211897857849040, 496426579469728160064, 3672750240049105305216

Offset

0,2

Links

Table of n, a(n) for n=0..12.

Formula

E4(z)^6 + 912*E4(z)^3*Delta12(z) - 240456*Delta12(z)^2 where E4 and Delta12 are the Eisenstein series of weight 4 and unique cusp form of weight 12.

Crossrefs

Cf. A004009 (E4(z)), A000594 (Delta12(z)).

Sequence in context: A219192 A234078 A219193 * A035874 A226267 A251295

Adjacent sequences: A063514 A063515 A063516 * A063518 A063519 A063520

Keyword

nonn

Author

Kok Seng Chua (chuaks(AT)ihpc.nus.edu.sg), Jul 31 2001

Status

approved