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 A277259 #15 Oct 24 2016 04:32:13 %S A277259 1,5,129,1216,6399,99788,771950,771950,314529194 %N A277259 Position of initial digit of first string of n consecutive equal digits in the decimal expansion of the Golden ratio (phi), starting after the decimal point. %H A277259 <a href="http://www.subidiom.com/pi/">Pi search engine</a> (searches initial 5 x 10^8 digits of phi) %e A277259 1205th to 1230th digits of phi are as follows: ...63972321340444494873023154... %e A277259 The 1216th digit is occupied by the first of four consecutive 4's and there is no earlier occurrence of four or more consecutive equal digits, so a(4) = 1216. %Y A277259 Cf. A001622, A224844, A244601, A244602, A277260. %K A277259 nonn,base,more %O A277259 1,2 %A A277259 _Felix Fröhlich_, Oct 07 2016