Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #49 Sep 11 2017 08:38:50
%S 27,18,28,35,66,66,66,74,7,74,74,93,93,93,93,93,93,93,93,93,93,93,93,
%T 93,25,25,25,25,44,25,44,44,44,44,96,96,63,63,25,96,25,96,63,63,63,36,
%U 36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36
%N First 2-digit number to appear n times in the decimal expansion of e.
%C a(9) is the 2-digit number 07.
%H Alois P. Heinz, <a href="/A277270/b277270.txt">Table of n, a(n) for n = 1..10000</a>
%e a(2) = 18 because 18 is the first 2-digit number to appear 2 times in the decimal expansion of e = 2.7(18)28(18)...
%Y Cf. A001113, A195138, A276992, A290643, A290644.
%K nonn,base
%O 1,1
%A _Bobby Jacobs_, Nov 05 2016