A028963 Theta series of quadratic form with Gram matrix [ 2, 1, 0; 1, 3, 1; 0, 1, 5 ].

1, 0, 2, 4, 0, 2, 4, 8, 2, 0, 10, 2, 4, 8, 4, 4, 0, 0, 10, 10, 2, 4, 14, 12, 4, 0, 4, 16, 8, 4, 8, 12, 2, 0, 12, 8, 0, 10, 10, 8, 10, 0, 12, 18, 2, 10, 24, 8, 4, 0, 10, 12, 8, 6, 16, 20, 4, 0, 16, 8, 4, 14, 16, 24, 0, 0, 12, 18, 0, 16, 16, 8, 10, 0, 10, 20, 10, 8, 16, 20, 2, 0, 32

Offset

0,3

Links

Table of n, a(n) for n=0..82.

Crossrefs

Sequence in context: A188672 A228518 A279647 * A004516 A281499 A256014

Adjacent sequences: A028960 A028961 A028962 * A028964 A028965 A028966

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved