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A109476
G.f.: 4th root of weight enumerator of [32,21,6] DEC extended BCH code (cf. A010463).
1
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
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
KEYWORD
sign
AUTHOR
N. J. A. Sloane and Nadia Heninger, Aug 29 2005
STATUS
approved