A013975 - OEIS

This site is supported by donations to The OEIS Foundation.

A013975

Modular form of level 4 and weight 1/2.

1, 0, 0, 0, 6, 504, 0, 0, 143388, 565760, 0, 0, 18473000, 51180024, 0, 0, 818626500, 1912896000, 0, 0, 20556578700, 43222528000, 0, 0, 357139677440, 697599931392, 0, 0, 4764286992816, 8806299845112, 0, 0, 51954490735875, 91956846489088, 0, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`-4,5`
	LINKS	`R. E. Borcherds, Automorphic forms on O_{s+2,2}(R)^{+} and generalized Kac-Moody algebras, pp. 744-752 of Proc. Intern. Congr. Math., Vol. 2, 1994.`
	FORMULA	`(j(4z)-852)theta_3(z)-2KZ(z)*E6(4z)/del_12(4z) where KZ(z) is the cusp form of weight 1 3/2 given by A054891, del_12(z) is the unique cusp form of weight 12.` `Formula and more terms from Kok Seng Chua (chuaks(AT)ihpc.nus.edu.sg), Jan 11 2001`
	CROSSREFS	`Sequence in context: A099057 A123278 A127605 * A103520 A003395 A000411` `Adjacent sequences: A013972 A013973 A013974 * A013976 A013977 A013978`
	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 21:13 EST 2012. Contains 206085 sequences.