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 A277532 #8 Oct 24 2016 04:32:59 %S A277532 0,1,72,2346,3422,3892 %N A277532 Position of first occurrence of at least n consecutive equal digits in the decimal expansion of the Euler-Mascheroni constant, starting after the decimal point. %C A277532 Smallest k such that A001620(k) = A001620(k+m) for all m with 0 <= m < n. %o A277532 (PARI) emstring(n) = default(realprecision, n+10); my(x=Euler); floor(x*10^n) %o A277532 emdigit(n) = emstring(n)-10*emstring(n-1) %o A277532 searchstrpos(n) = my(x=1, i=1); while(1, my(y=x+1); while(emdigit(y)==emdigit(x), y++; i++); if(i >= n, return(x-1)); i=1; x++) %o A277532 a(n) = searchstrpos(n) %Y A277532 Cf. A001620, A049522, A244601, A244602, A277259, A277260, A277533. %K A277532 nonn,base,more %O A277532 1,3 %A A277532 _Felix Fröhlich_, Oct 19 2016