A023933 - OEIS

This site is supported by donations to The OEIS Foundation.

A023933

Theta series of A*_21 lattice.

1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 462, 0, 0, 0, 462, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3080, 0, 0, 0, 0, 0, 0, 0, 9240, 0, 0, 0, 0, 0, 0, 14630, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,22`
	REFERENCES	`J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 114.`
	CROSSREFS	`Sequence in context: A087529 A050525 A138086 * A022075 A178986 A174730` `Adjacent sequences: A023930 A023931 A023932 * A023934 A023935 A023936`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 07:41 EST 2012. Contains 205998 sequences.