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A263881

Numbers k such that k! is a "compact factorial", i.e., k! is in A169661.

1, 2, 3, 6, 7, 10, 11 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Sequence linked to A050376.`
	LINKS	`Table of n, a(n) for n=1..7.` `T. M. Apostol, Review of "Compact integers and factorials" by V. Shevelev, zbMATH.` `V. Shevelev, Compact integers and factorials, Acta Arith. 126 (2007), no.3, 195-236.`
	FORMULA	`a(n)! = A169661(n).`
	CROSSREFS	`Cf. A050376, A054861, A169661.` `Sequence in context: A033495 A006877 A328832 * A208892 A085397 A307414` `Adjacent sequences: A263878 A263879 A263880 * A263882 A263883 A263884`
	KEYWORD	`nonn,fini,full`
	AUTHOR	`Jonathan Sondow, Nov 17 2015`
	STATUS	`approved`

Last modified September 11 17:54 EDT 2024. Contains 375839 sequences. (Running on oeis4.)