OFFSET
1,2
COMMENTS
Pi^a(n) gets increasingly close to 10^A219723(n).
LINKS
Eric Weisstein's World of Mathematics, Pi
EXAMPLE
0, 1/2, 87/175, 349/702, 436/877, 785/1579, 1221/2456, 5669/11403, ....
MATHEMATICA
Denominator@Convergents[Log[10, Pi], 25]
CROSSREFS
KEYWORD
easy,frac,nonn
AUTHOR
Arkadiusz Wesolowski, Nov 26 2012
STATUS
approved