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A097913 G.f.: (1+x^18)/((1-x)*(1-x^8)*(1-x^12)*(1-x^24)). 0
1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 6, 6, 9, 9, 10, 10, 11, 11, 12, 12, 15, 15, 16, 16, 19, 19, 20, 20, 23, 23, 26, 26, 29, 29, 30, 30, 36, 36, 39, 39, 42, 42, 45, 45, 51, 51, 54, 54, 60, 60, 63, 63, 69, 69, 75, 75, 81, 81, 84, 84, 94, 94, 100, 100, 106, 106 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,9

COMMENTS

Conjectured Poincare series for genus 2 Siegel theta series of odd unimodular lattices.

LINKS

Table of n, a(n) for n=0..77.

G. Nebe, E. M. Rains and N. J. A. Sloane, Self-Dual Codes and Invariant Theory, Springer, Berlin, 2006.

CROSSREFS

Cf. A008718.

Sequence in context: A008652 A195120 A091226 * A029269 A194621 A088004

Adjacent sequences:  A097910 A097911 A097912 * A097914 A097915 A097916

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Sep 04 2004

STATUS

approved

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Last modified December 20 15:54 EST 2014. Contains 252266 sequences.