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A055064 a(n) = A004125(2^n) = A004125(2^n-1). 0
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

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Last modified December 9 03:42 EST 2021. Contains 349625 sequences. (Running on oeis4.)