id:A027824 - OEIS Search Results

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If there were a unimodular 25-dimensional lattice with minimal norm 3, it would have this as its theta series. Unfortunately, no such lattice exists.

+0
1

1, 0, 0, 3600, 101250, 1308960, 10627200, 62596800, 290984400, 1127417600, 3784631040, 11325193200, 30820816800, 77376189600, 181349280000, 400953775680, 842626285650, 1692061228800, 3263458752000 (list; graph; listen)

	OFFSET	`0,4`
	LINKS	`E. M. Rains and N. J. A. Sloane, The Shadow Theory of Modular and Unimodular Lattices, J. Number Theory, 73 (1998), 359-389.`
	EXAMPLE	`1+3600q^3+101250q^4+...`
	CROSSREFS	`Sequence in context: A157857 A141781 A096472 this_sequence A068291 A003838 A157861` `Adjacent sequences: A027821 A027822 A027823 this_sequence A027825 A027826 A027827`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), E. M. Rains`

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

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