OFFSET
1,1
COMMENTS
Each entry is enumerated: 1,2,1,2,1,1,2,6,8,4,1,1,1,1,1,1,1,1,1,8,6,... in A091657.
The 4278672nd term of the continued fraction expansion of Pi is 837.
LINKS
Eric Weisstein's World of Mathematics, Pi Continued Fraction.
EXAMPLE
One has to go to the 30th term of the continued fraction of Pi (4) to have seen the integers 1, 2, 3 & 4.
MATHEMATICA
cfpi = ContinuedFraction[Pi, 10000000]; a = Table[0, {1562}]; Do[b = cfpi[[n]]; If[b < 1563 && a[[b]] == 0, a[[b]] = n], {n, 1, 10000000}]; c
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Jan 26 2004
STATUS
approved