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0,1
G. Almkvist, Many correct digits of Pi, revisited, Amer. Math. Monthly, 104 (1997), 351-353.
Table of n, a(n) for n=0..13.
E.g.f.: 2 - 2/Q(0), where Q(k)= 1 - (2*k+1)*(2*k+2)/x + 1/x*(2*k+1)*(2*k+2)/Q(k+1); (continued fraction). - Sergei N. Gladkovskii, May 01 2013
Sequence in context: A181334 A032034 A002250 * A069240 A000371 A081088
Adjacent sequences: A011245 A011246 A011247 * A011249 A011250 A011251
nonn
N. J. A. Sloane.
approved