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A081739 a(n)=(-1/2^n)*(A000367(2^n)+1). 0
0, 0, 452, 481832565076, 3336994692120829058949545155598207748188, 4183667308477313795108662587270037418426429056133620947343416969739965511482242658521291610836247844507748569589344 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..6.

FORMULA

a(n) = A076547(n)-1 (Conjecture). - R. J. Mathar, Apr 22 2007

CROSSREFS

Sequence in context: A233237 A233111 A233215 * A245946 A076547 A259058

Adjacent sequences:  A081736 A081737 A081738 * A081740 A081741 A081742

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Apr 06 2003

STATUS

approved

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Last modified March 26 12:43 EDT 2019. Contains 321497 sequences. (Running on oeis4.)