A109476 G.f.: 4th root of weight enumerator of [32,21,6] DEC extended BCH code (cf. A010463).

1, 0, 0, 248, 2635, 15128, -35216, -1848840, -21519084, -108527528, 824502784, 24266479832, 260841965636, 979414666872, -16981840179472, -376923827379432, -3601671171092868, -7380259448385800, 346107962132563456, 6279421381835120888, 52192589788396122268

Offset

0,4

Links

Table of n, a(n) for n=0..20.

N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.

Crossrefs

Sequence in context: A230856 A109478 A200426 * A121732 A028525 A135046

Adjacent sequences: A109473 A109474 A109475 * A109477 A109478 A109479

Keyword

sign

Author

N. J. A. Sloane and Nadia Heninger, Aug 29 2005

Status

approved