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 A277260 #16 Oct 24 2016 04:32:48 %S A277260 6,33,222,4444,99999,555555,5555555,55555555,333333333 %N A277260 Value of decimal number corresponding to the string of equal digits starting at position A277259(n) after the decimal point in the decimal expansion of the Golden ratio (phi). %H A277260 <a href="http://www.subidiom.com/pi/">Pi search engine</a> (searches initial 5 x 10^8 digits of phi) %F A277260 a(n) = A001622(A277259(n)+1) * A002275(n). %e A277260 1205th to 1230th digits of phi are as follows: ...63972321340444494873023154... %e A277260 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) = 4444. %Y A277260 Cf. A001622, A224844, A244601, A244602, A277259. %K A277260 nonn,base,more %O A277260 1,1 %A A277260 _Felix Fröhlich_, Oct 07 2016