OFFSET
0,1
COMMENTS
Numerators are all 1.
EXAMPLE
3+1/a(0)=22/7
3+1/a(0)+1/a(1)=333/106
3+1/a(0)+1/a(1)+1/a(2)=355/113
PROG
(PARI) c0=3; for (k=2, 30, m=contfracpnqn(contfrac(Pi, k)); c1=m[1, 1]/m[2, 1]; print1(1/(c1-c0), ", "); c0=c1; )
CROSSREFS
KEYWORD
sign
AUTHOR
Jaume Oliver Lafont, Feb 11 2009
STATUS
approved