A109149 G.f.: square root of weight enumerator of Kerdock code of length 64 (cf. A028238).

1, 0, 0, 0, 0, 0, 0, 992, 63, 992, 0, 0, 0, 0, -492032, -62496, -986048, -62496, -492032, 0, 0, 488095744, 92994048, 1470192608, 186113088, 1470192608, 92994048, 488095744, -605238722560, -153750159360, -2435600714752, -461870500896, -3660733827008, -461870500896

Offset

0,8

Links

Table of n, a(n) for n=0..33.

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: A093177 A161926 A172698 * A237991 A158683 A030645

Adjacent sequences: A109146 A109147 A109148 * A109150 A109151 A109152

Keyword

sign

Author

N. J. A. Sloane and Nadia Heninger Aug 18 2005

Status

approved