0,6

Table of n, a(n) for n=0..72.

Table[IntegerExponent[Denominator[Simplify[((1/2 (Sqrt[3] + 1))^x - (1/2 (Sqrt[3] - 1))^x Cos[Pi x])/Sqrt[3]]], 2], {x, 0, 72}] (* Peter Luschny, Jun 02 2018 *)

Cf. A060723, A305491.

Sequence in context: A272143 A095058 A137345 * A104594 A079626 A257697

Adjacent sequences: A060752 A060753 A060754 * A060756 A060757 A060758

nonn

Vladeta Jovovic, Apr 24 2001

Data corrected by Peter Luschny, Jun 02 2018

approved