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%I #23 Oct 13 2022 10:58:41
%S 0,2,3,2,4,4,7,8,8,10,10,11,11,14,14,15,16,18,18,18,19,20,22
%N a(n) is the number of correct decimal digits of Pi obtained from the fraction A355622(n)/A355623(n).
%e a(9) = 8 since A355622(9)/A355623(9) = 422334431/134433224 = 3.1415926690860... matches the first 8 digits of Pi: 3.1415926535897...
%Y Cf. A000796, A355622, A355623, A356671.
%K nonn,base,more
%O 1,2
%A _Stefano Spezia_, Aug 22 2022
%E a(19)-a(22) from _Stefano Spezia_, Oct 13 2022