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A066221
Bisection of A001189.
1
0, 3, 25, 231, 2619, 35695, 568503, 10349535, 211799311, 4809701439, 119952692895, 3257843882623, 95680443760575, 3020676745975551, 101990226254706559, 3666624057550245375, 139813029266338603263
OFFSET
0,2
LINKS
MATHEMATICA
Table[(-2)^n*HypergeometricU[-n, 3/2, -1/2] - 1, {n, 0, 16}] (* Jean-François Alcover, Apr 09 2014 *)
CROSSREFS
Sequence in context: A199679 A118726 A372458 * A370280 A367786 A332468
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Dec 19 2001
EXTENSIONS
More terms from Sascha Kurz, Mar 24 2002
STATUS
approved