login
a(n) = floor( 1/frac(n*(Pi)^2/6) ).
0

%I #4 Mar 30 2012 18:36:38

%S 1,3,1,1,4,1,1,6,1,2,10,1,2,34,1,3,1,1,3,1,1,5,1,2,8,1,2,17,1,2,1,1,3,

%T 1,1,4,1,1,6,1,2,11,1,2,45,1,3,1,1,4,1,1,5,1,2,8,1,2,19,1,2,1,1,3,1,1,

%U 4,1,1,6,1,2,12,1,2,66,1,3,1,1,4,1,1,5,1,2,9,1,2,22,1,2,1,1,3,1,1,4,1,2,7,1

%N a(n) = floor( 1/frac(n*(Pi)^2/6) ).

%o (PARI) x=(Pi)^2/6; for(n=1,60,t=floor( 1/frac(n*x) ); print1(t","))

%K nonn

%O 1,2

%A _Paul D. Hanna_, Jun 03 2003