%I A050286
%S A050286 13,559,1589,1589,162248,399579,3346228,24658601,24658601
%N A050286 a(n) is the starting position of the first occurrence of a string of 
               n 7's in the decimal expansion of Pi.
%H A050286 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PiDigits.html">Link to a section of The World of Mathematics.</a>
%Y A050286 Sequence in context: A030256 A023332 A143601 this_sequence A096761 A076461 
               A142210
%Y A050286 Adjacent sequences: A050283 A050284 A050285 this_sequence A050287 A050288 
               A050289
%K A050286 nonn,base
%O A050286 1,1
%A A050286 Eric Weisstein (eric(AT)weisstein.com)