A008690 - OEIS

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A008690

Theta series of Niemeier lattice of type D_12^2.

1, 528, 183888, 16906176, 397256784, 4631931360, 34414462656, 187481094528, 814924380240, 2975491484496, 9486490093920, 27053228195136, 70486041140928, 169930790281056, 384163798531968 (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 8/9 E_4(z)^3 + 1/9 E_6(z)^2. Cf. A004009, A013973. - Daniel D. Briggs, Nov 25 2011`
	CROSSREFS	`Sequence in context: A059465 A071236 A048101 * A204684 A205160 A205309` `Adjacent sequences: A008687 A008688 A008689 * A008691 A008692 A008693`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 01:27 EST 2012. Contains 205860 sequences.