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A053680 Positions where 7 occurs in decimal expansion of e (starting count at decimal point). 1

%I

%S 1,24,26,36,37,39,42,53,60,63,64,68,78,83,89,99,102,123,137,157,168,

%T 175,187,203,210,214,234,241,263,264,271,282,285,290,291,292,304,307,

%U 331,348,352,354,361,367,372,376,378,381,389,390,420,424,425,436,451

%N Positions where 7 occurs in decimal expansion of e (starting count at decimal point).

%H Vincenzo Librandi, <a href="/A053680/b053680.txt">Table of n, a(n) for n = 0..10000</a>

%e 7 first occurs at the first position to the right of the decimal point

%t Flatten[Position[Rest[RealDigits[E,10,500][[1]]],7]] (* _Harvey P. Dale_, Feb 27 2012 *)

%Y A001113.

%K easy,nonn,base

%O 0,2

%A _Enoch Haga_, Feb 16 2000

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Last modified August 11 19:16 EDT 2020. Contains 336428 sequences. (Running on oeis4.)