%I #18 Feb 14 2019 16:33:38
%S 3,4,5,2,5,5,9,9,2,8,6,6,3,8,2,9,0,8,4,9,1,9,9,3,5,0,8,0,7,9,4,9,3,7,
%T 1,4,6,8,2,8,9,6,8,3,8,5,4,1,7,6,9,2,4,0,6,1,2,2,0,6,7,9,8,4,0,5,0,8,
%U 2,1,2,3,9,0,1,8,8,1,7,5,2,4,0,7,1,3,5,1,0,5,9,4,6,2,4,9,4,3,3,1,6,4,8,1,9
%N Bisection of A000796 (decimal expansion of Pi).
%H Jinyuan Wang, <a href="/A099816/b099816.txt">Table of n, a(n) for n = 1..10000</a>
%H Xavier Gourdon, <a href="https://jmhernandez.tech/pi/pi.htm">Computation of 16000 digits of Pi</a>.
%t Take[ RealDigits[Pi, 10, 220][[1]], {1, 220, 2}]
%Y Cf. A000796, A099817.
%K base,easy,nonn
%O 1,1
%A _N. J. A. Sloane_, Nov 19 2004
%E a(54)-a(105) from _Jonathan Vos Post_, Mar 22 2006