A109151 G.f.: square root of weight enumerator of Kerdock code of length 256 (cf. A028240).

1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16256, 255, 16256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -132128768, -4145280, -264290048, -4145280, -132128768, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2147885252608, 101078507520, 6445241319296, 202165305600, 6445241319296, 101078507520, 2147885252608

Offset

0,16

Links

Table of n, a(n) for n=0..51.

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: A254170 A254452 A202432 * A068761 A043607 A067375

Adjacent sequences: A109148 A109149 A109150 * A109152 A109153 A109154

Keyword

sign

Author

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

Status

approved