A109147 G.f.: 8th root of theta series of lattice in A004673.

1, 0, 0, 1948800, 4619660850, 1910524008960, 249158110118400, -46169150185843200, -100137034474962893100, -65217623251022392012800, -20570898809667730816373760, -1498883887269598785313680000, 3095512575505317779623339924200

Offset

0,4

Links

Table of n, a(n) for n=0..12.

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: A285390 A069339 A350539 * A251299 A220290 A186578

Adjacent sequences: A109144 A109145 A109146 * A109148 A109149 A109150

Keyword

sign

Author

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

Status

approved