A008698 - OEIS

This site is supported by donations to The OEIS Foundation.

A008698

Theta series of Niemeier lattice of type A_7^2 D_5^2.

1, 192, 191952, 16821504, 397751376, 4630308480, 34416494784, 187486720512, 814895994960, 2975529668544, 9486529043040, 27053048565504, 70486165778112, 169930984401024, 384163663508352 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	REFERENCES	`J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 407.`
	FORMULA	`This series is the q-expansion of 25/36 E_4(z)^3 + 11/36 E_6(z)^2. Cf. A004009, A013973. - Daniel D. Briggs, Nov 25 2011`
	CROSSREFS	`Sequence in context: A146554 A183701 A203490 * A202930 A012856 A114859` `Adjacent sequences: A008695 A008696 A008697 * A008699 A008700 A008701`
	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 16 05:39 EST 2012. Contains 205860 sequences.