id:A060446 - OEIS Search Results

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Number of ways to color vertices of a pentagon using <= n colors, allowing rotations and reflections.

+0
2

0, 1, 8, 39, 136, 377, 888, 1855, 3536, 6273, 10504, 16775, 25752, 38233, 55160, 77631, 106912, 144449, 191880, 251047, 324008, 413049, 520696, 649727, 803184, 984385, 1196936, 1444743, 1732024, 2063321, 2443512, 2877823 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`(n^5+5n^3+4n)/10.`
	CROSSREFS	`Cf. A054620.` `Sequence in context: A026662 A003353 A101374 this_sequence A063002 A055581 A134415` `Adjacent sequences: A060443 A060444 A060445 this_sequence A060447 A060448 A060449`
	KEYWORD	`nonn`
	AUTHOR	`njas, Apr 07 2001`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research