A163861 - OEIS

This site is supported by donations to The OEIS Foundation.

A163861

Number of different 5th power (quintic) mappings of a finite set of n elements into itself.

1, 4, 21, 148, 1281, 12942, 150955 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`The same as A102687 (square composition), A163859 (cubic composition), A163860 (4 th power composition), here a(n) is the number of different mappings g that admit at least one mapping f as the 5th order root (g=fofofofof) in terms of the composition.`
	CROSSREFS	`Cf. A102687, A163859, A163860.` `Sequence in context: A053482 A158577 A006879 * A006153 A183387 A025164` `Adjacent sequences: A163858 A163859 A163860 * A163862 A163863 A163864`
	KEYWORD	`more,nonn`
	AUTHOR	`C. Alves (cjsalves(AT)gmail.com), Aug 05 2009`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 03:37 EST 2012. Contains 205978 sequences.