id:A085121 - OEIS Search Results

Search: id:A085121

Displaying 1-1 of 1 results found.

page 1

Number of ways of writing n as the sum of three odd squares.

+0
3

0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, 0, 0, 48, 0, 0, 0, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 48, 0, 0, 0, 0, 0, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0, 0, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 48, 0, 0, 0, 0, 0, 0, 0, 72 (list; graph; listen)

	OFFSET	`0,4`
	REFERENCES	`J. E. Jones [Lennard-Jones] and A. E. Ingham, On the calculation of certain crystal potential constants and on the cubic crystal of least energy, Proc. Royal Soc., A 107 (1925), 636-653 (see p. 650).`
	FORMULA	`G.f.: (Sum_{n=-inf..inf} q^((2n+1)^2))^3.`
	CROSSREFS	`Cf. A005875. Equals 8*A008437. The nonzero coefficients give A005878.` `Sequence in context: A128820 A067485 A127886 this_sequence A079204 A036482 A028721` `Adjacent sequences: A085118 A085119 A085120 this_sequence A085122 A085123 A085124`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Apr 25 2004`

page 1

Search completed in 0.002 seconds

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research