A121829 Theta series of 4-dimensional lattice O(15).

1, 0, 0, 4, 2, 0, 4, 4, 8, 12, 0, 8, 18, 8, 4, 4, 14, 8, 12, 8, 2, 28, 8, 12, 44, 0, 8, 40, 20, 16, 4, 16, 28, 40, 8, 4, 62, 24, 8, 48, 8, 16, 28, 20, 32, 12, 12, 20, 102, 32, 0, 64, 36, 32, 40, 8, 52, 72, 16, 32, 18, 32, 16, 100, 66, 8, 40, 28, 44, 84, 4, 40, 164, 32, 24, 4, 48, 48, 48

Offset

0,4

Links

John Cannon, Table of n, a(n) for n = 0..10000

G. Nebe and N. J. A. Sloane, Home page for this lattice

Example

1 + 4*q^3 + 2*q^4 + 4*q^6 + 4*q^7 + 8*q^8 + 12*q^9 + 8*q^11 + 18*q^12 + 8*q^13 + ...

Crossrefs

Sequence in context: A076114 A294666 A051478 * A021708 A016690 A136715

Adjacent sequences: A121826 A121827 A121828 * A121830 A121831 A121832

Keyword

nonn

Author

N. J. A. Sloane, Jan 31 2007

Status

approved