%I #14 Jun 14 2021 02:34:29
%S 0,1,3,5,6,7,8,9,10,11,13,14,15,16,17,18,19,20,22,23,24,26,28,29,30,
%T 31,32,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,55,
%U 56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,78,81
%N Positions of 1-digit terms in the continued fraction for Pi (3 is at position 0).
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PiContinuedFraction.html">Pi Continued Fraction</a>
%Y Cf. A001203, A048292.
%K nonn,base
%O 1,3
%A _Eric W. Weisstein_