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First 2-digit number to appear n times in the decimal expansion of e.
5

%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