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A175728 Decimal expansion of e written as a sequence of distinct positive integers. 0
2, 7, 1, 8, 28, 18, 284, 5, 90, 4, 52, 3, 53, 60, 287, 47, 13, 526, 6, 24, 9, 77, 57, 2470, 93, 69, 99, 59, 574, 96, 696, 76, 27, 72, 40, 766, 30, 35, 354, 75, 94, 571, 38, 21, 78, 525, 16, 64, 274, 2746, 63, 91, 93200, 305, 992, 181, 74, 135, 966, 290, 43, 572, 900, 33, 42 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Inverse: 3, 1, 12, 10, 8, 19, 2, 4, 21, 119, 86, 166, 17, 154, 160, 47, 192, 6, 83, 214, ..., . - Robert G. Wilson v, Aug 22 2010

LINKS

Table of n, a(n) for n=1..65.

MATHEMATICA

rd = RealDigits[E, 10, 200][[1]]; lst = {}; f[n_] := Block[{k = 1}, While[a = FromDigits[ Take[ rd, k]]; MemberQ[lst, a] || rd[[k + 1]] == 0, k++ ]; AppendTo[ lst, a]; rd = Drop[rd, k]]; Array[f, 70]; lst (* Robert G. Wilson v, Aug 22 2010 *)

CROSSREFS

Cf. A001113, A064809.

Sequence in context: A282171 A112257 A248684 * A261390 A248676 A125699

Adjacent sequences:  A175725 A175726 A175727 * A175729 A175730 A175731

KEYWORD

nonn,base

AUTHOR

Jason G. Wurtzel, Aug 19 2010

EXTENSIONS

More terms from Robert G. Wilson v, Aug 22 2010

STATUS

approved

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Last modified November 13 21:28 EST 2019. Contains 329106 sequences. (Running on oeis4.)