id:A010024 - OEIS Search Results

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Coordination sequence for squashed {D_5}* lattice, perhaps the smallest example of a "non-superficial" lattice.

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1, 12, 72, 292, 862, 2052, 4212, 7772, 13242, 21212, 32352, 47412, 67222, 92692, 124812, 164652, 213362, 272172, 342392, 425412, 522702, 635812, 766372, 916092, 1086762, 1280252, 1498512, 1743572 (list; graph; listen)

	OFFSET	`0,2`
	LINKS	`T. D. Noe, Table of n, a(n) for n=0..1000` `J. H. Conway and N. J. A. Sloane, Low-Dimensional Lattices VII: Coordination Sequences, Proc. Royal Soc. London, A453 (1997), 2369-2389 (Abstract, pdf, ps).`
	MAPLE	`10/3n^4-5/3n^3+20/3n^2+5/3n+2;`
	CROSSREFS	`Adjacent sequences: A010021 A010022 A010023 this_sequence A010025 A010026 A010027` `Sequence in context: A101523 A047928 A008533 this_sequence A008414 A052181 A118979`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified October 6 16:13 EDT 2008. Contains 144667 sequences.

AT&T Labs Research