A186037 a(n) = log_2((1+A002426(n))/numerator((1+A002426(n))/2^n)).

0, 1, 2, 3, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 3, 2, 2, 1, 1, 1, 1, 3, 2, 1, 1, 3, 2, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 3, 2, 1, 1, 2, 4, 3, 3, 1, 1, 1, 1, 3, 2, 3, 3, 1, 1, 2, 2, 1, 1, 1, 1, 2, 3, 2, 2, 1, 1, 1, 1, 3

Offset

0,3

Links

G. C. Greubel, Table of n, a(n) for n = 0..1000

Mathematica

b[n_] := If[n < 0, 0, 3^n Hypergeometric2F1[1/2, -n, 1, 4/3]];
a[n_] := Log[2, (1 + b[n])/Numerator[(1 + b[n])/2^n]]; Table[a[n], {n, 0, 50}] (* G. C. Greubel, Feb 27 2017 *)

Crossrefs

Sequence in context: A076224 A286582 A114729 * A144365 A152197 A049342

Adjacent sequences: A186034 A186035 A186036 * A186038 A186039 A186040

Keyword

nonn,easy

Author

Paul Barry, Feb 11 2011

Status

approved