OFFSET
1,2
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..10000
MATHEMATICA
Differences[Flatten[Position[RealDigits[Pi, 10, 1000][[1]], 1]]]-1 (* Harvey P. Dale, Apr 20 2016 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Daniel Drijard (daniel.drijard(AT)cern.ch), May 05 2008, May 10 2008
STATUS
approved