A055064 - OEIS

The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons 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.

A055064

a(n) = A004125(2^n) = A004125(2^n-1).

0, 1, 8, 36, 167, 693, 2849, 11459, 46244, 185622, 743759, 2974937, 11907026, 47643438, 190606963, 762449101, 3049917900, 12199777048, 48799551822, 195198666492, 780796575104, 3123189865122, 12492766610068, 49971069327602, 199884317492186, 799537344955292 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,3`
	LINKS	`Table of n, a(n) for n=1..26.`
	FORMULA	`a(n) >= A006516(n-1). - R. J. Mathar, Apr 04 2012`
	CROSSREFS	`Cf. A004125, A120444.` `Sequence in context: A200468 A200250 A207099 * A014347 A200053 A164545` `Adjacent sequences: A055061 A055062 A055063 * A055065 A055066 A055067`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson, Jun 12 2000`
	STATUS	`approved`

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 19 13:17 EST 2021. Contains 340270 sequences. (Running on oeis4.)