A073581 - OEIS

This site is supported by donations to The OEIS Foundation.

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

A073581

Factorials successively exponentiated.

1, 1, 2, 36, 48708493958471199415506599153950129703565945470976 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,3`
	COMMENTS	`a(5) > 10^(10^50).`
	LINKS	`Table of n, a(n) for n=0..4.`
	FORMULA	`a(n) = n!^a(n - 1) starting with a(0)=0!=1.`
	EXAMPLE	`a(3) = 36 because 3!^(2!^(1!^0!)) = 36`
	MATHEMATICA	`a[0] := 1 a[n_Integer] := n!^a[n - 1]`
	CROSSREFS	`Sequence in context: A283261 A280420 A051459 * A078081 A077772 A083150` `Adjacent sequences: A073578 A073579 A073580 * A073582 A073583 A073584`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jon Kongsvold (Jon.Kongsvold(AT)idi.ntnu.no), Aug 28 2002`
	EXTENSIONS	`Edited by Henry Bottomley, Jul 13 2003`
	STATUS	`approved`

Last modified January 20 06:50 EST 2019. Contains 319325 sequences. (Running on oeis4.)