OFFSET
1,1
COMMENTS
The digits 0 and 5 do not appear among the first 30000 terms. When do they first appear? - Jianing Song, Apr 01 2021
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..10000
EXAMPLE
From Michael De Vlieger, Sep 10 2017: (Start)
a(n) is the first decimal digit of e that first appears n times when e is expanded to the -m place:
n a(n) m
1 2 0
2 2 4
3 8 7
4 8 9
5 2 22
6 2 30
7 2 33
8 2 40
9 9 58
10 7 63
11 7 64
12 7 68
13 7 78
14 7 83
15 7 89
16 7 99
(End)
MATHEMATICA
With[{e = First@ RealDigits[N[E, 10^4]]}, Function[t, -1 + Map[FirstPosition[t, #] &, Range@ Max@ t][[All, -1]]]@ Table[BinCounts[Take[e, n], {0, 10, 1}], {n, 10^3}]] (* Michael De Vlieger, Sep 10 2017 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Omar E. Pol, Oct 22 2011
EXTENSIONS
More terms from D. S. McNeil, Oct 22 2011
STATUS
approved