id:A035284 - OEIS Search Results

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Similar submodules of icosian ring of index (f(n)^2 where f(n) is the n-th positive integer represented by the quadratic form x^2 + xy - y^2.

+0
2

1, 10, 12, 20, 48, 66, 80, 120, 97, 120, 128 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`M. Baake and R. V. Moody, Similarity submodules and root systems in four dimensions, Canad. J. Math. (1999), 51 1258-1276.`
	CROSSREFS	`Cf. A035285.` `Sequence in context: A075492 A085772 A162189 this_sequence A082927 A108965 A061870` `Adjacent sequences: A035281 A035282 A035283 this_sequence A035285 A035286 A035287`
	KEYWORD	`easy,nonn,more`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.