id:A145399 - OEIS Search Results

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Dirichlet g.f.: (1+4/2^s+1/4^s)*zeta(3)^3.

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1, 7, 3, 19, 3, 21, 3, 37, 6, 21, 3, 57, 3, 21, 9, 61, 3, 42, 3, 57, 9, 21, 3, 111, 6, 21, 10, 57, 3, 63, 3, 91, 9, 21, 9, 114, 3, 21, 9, 111, 3, 63, 3, 57, 18, 21, 3, 183, 6, 42, 9, 57, 3, 70, 9, 111, 9, 21, 3, 171, 3, 21, 18, 127, 9, 63, 3, 57, 9, 63, 3, 222, 3, 21, 18, 57, 9, 63, 3, 183 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`J. S. Rutherford, The enumeration and symmetry-significant properties of derivative lattices, Acta Cryst. A48 (1992), 500-508. Table 1, line 4.`
	PROGRAM	`(PARI) t1=direuler(p=2, 200, 1/(1-X)^3)` `t2=direuler(p=2, 2, 1+4*X+X^2, 200)` `t3=dirmul(t1, t2)`
	CROSSREFS	`Cf. A007425.` `Sequence in context: A138859 A076569 A061194 this_sequence A160797 A050013 A161417` `Adjacent sequences: A145396 A145397 A145398 this_sequence A145400 A145401 A145402`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Mar 13 2009`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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