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A105116
The part of n left of the decimal point when written in base e using a greedy algorithm representation.
4
0, 1, 2, 10, 11, 12, 20, 21, 100, 101, 102, 110, 111, 120, 121, 200, 201, 202, 210, 211, 212, 1000, 1001, 1010, 1011, 1012, 1020, 1021, 1100, 1101, 1102, 1110, 1111, 1120, 1121, 1200, 1201, 1202, 1210, 1211, 1212, 2000, 2001, 2010, 2011, 2012, 2020
OFFSET
0,3
EXAMPLE
3 in base e = 10.020... so a(3) = 10.
MATHEMATICA
A105116[n_]:=FromDigits[First[RealDigits[n, E, Floor[Log[E, Max[n, 1]]]+1]]];
Array[A105116, 100, 0] (* Paolo Xausa, Oct 18 2023 *)
CROSSREFS
Cf. A001113 (e digits).
Cf. A105424 (base phi), A344939 (base Pi).
Cf. A363832 (number of digits).
Sequence in context: A256437 A136810 A136821 * A136819 A136816 A188264
KEYWORD
nonn,base
AUTHOR
Bryan Jacobs (bryanjj(AT)gmail.com), Apr 08 2005
STATUS
approved