A029675 Numbers represented by quadratic form with Gram matrix [ 3, 1, -1; 1, 4, 1; -1, 1, 3 ].

0, 3, 4, 5, 8, 9, 11, 12, 15, 16, 19, 20, 21, 23, 24, 25, 27, 28, 29, 31, 32, 33, 36, 37, 39, 41, 43, 44, 45, 48, 49, 51, 52, 53, 55, 56, 57, 59, 60, 61, 63, 64, 65, 67, 68, 69, 71, 72, 75, 76, 77, 79, 80, 81, 83, 84, 85, 87, 88, 89, 91, 92, 93, 95, 96, 97, 99, 100

Offset

1,2

Links

Table of n, a(n) for n=1..68.

G. Nebe and N. J. A. Sloane, Home page for this lattice

Crossrefs

Sequence in context: A283765 A120631 A047601 * A030310 A178837 A217288

Adjacent sequences: A029672 A029673 A029674 * A029676 A029677 A029678

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved