id:A081753 - OEIS Search Results

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a(n) = floor(n/12) if n==2 (mod 12); a(n)=floor(n/12)+1 otherwise.

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	OFFSET	`0,13`
	COMMENT	`a(2n)=dimension of M(2n), where M(2n) denotes the complex vector space of modular forms of weight 2n for the group : PSL2(Z). dimension of M(2n+1)=0.`
	REFERENCES	`Yves Hellegouarch, "Invitation aux mathematiques de Fermat-Wiles", Dunod, 2eme edition, p. 285`
	PROGRAM	`(PARI) a(k)=if(k%12-2, floor(k/12)+1, floor(k/12))`
	CROSSREFS	`Cf. A008615.` `Adjacent sequences: A081750 A081751 A081752 this_sequence A081754 A081755 A081756` `Sequence in context: A116204 A106054 A023568 this_sequence A089049 A029420 A029405`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 08 2003`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

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