This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A360368 #4 Feb 04 2023 20:48:44 %S A360368 1,5,20,25,36,57,76,79,83,100,120,138,146,155,167,187,201,210,224,229, %T A360368 230,309,363,372,393,401,406,414,418,423,427,432,433,434,443,449,453, %U A360368 460,470,492,495,499,512,517,542,571,581,588,591,601,637,650,675,676,685 %N A360368 Positive integers k such that A360366(k) = A360366(k+1). %C A360368 Equivalently, positive integers k such that A360367(k) = A360367(k+1). %t A360368 b[i_]:=Rationalize[Pi,10^(-i)]; Select[Range[685],b[#]==b[#+1] &] %Y A360368 Cf. A000796, A011557, A360366, A360367. %K A360368 nonn %O A360368 1,2 %A A360368 _Stefano Spezia_, Feb 04 2023