id:A028928 - OEIS Search Results

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Theta series of quadratic form (or lattice) with Gram matrix [ 3, 1; 1, 5 ].

+0
1

1, 0, 0, 2, 0, 2, 2, 0, 0, 0, 2, 0, 2, 2, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 2, 0, 2, 4, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 0, 2, 0, 2, 0, 0, 6, 0, 0, 2, 0, 0, 0, 2, 0, 4, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 4, 2, 0, 0, 0, 0, 6, 2, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 6, 2, 0, 0, 0, 0, 2, 0, 0 (list; graph; listen)

	OFFSET	`0,4`
	LINKS	`John Cannon, Table of n, a(n) for n = 0..10000` `Michael Gilleland, Some Self-Similar Integer Sequences`
	EXAMPLE	`1 + 2q^3 + 2q^5 + 2q^6 + 2q^10 + 2q^12 + 2q^13 + 2q^19 + 2q^20 + 2q^21 + 2q^24 + 2q^26 + 4q^27 + 2q^35 + 2q^38 + 2q^40 + 2q^42 + 6*q^45 + ...`
	CROSSREFS	`Sequence in context: A036997 A116900 A160210 this_sequence A091379 A151758 A164272` `Adjacent sequences: A028925 A028926 A028927 this_sequence A028929 A028930 A028931`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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