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A011543 Decimal expansion of e truncated to n places. 8
2, 27, 271, 2718, 27182, 271828, 2718281, 27182818, 271828182, 2718281828, 27182818284, 271828182845, 2718281828459, 27182818284590, 271828182845904, 2718281828459045, 27182818284590452, 271828182845904523, 2718281828459045235, 27182818284590452353, 271828182845904523536 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

a(n) <= A011544(n) <= a(n)+1. - Danny Rorabaugh, Mar 07 2015

LINKS

Danny Rorabaugh, Table of n, a(n) for n = 0..999

FORMULA

a(n) = floor(e*10^n).

MATHEMATICA

Module[{nn=30, edgs}, edgs=RealDigits[E, 10, nn][[1]]; Table[FromDigits[Take[ edgs, n]], {n, nn}]] (* Harvey P. Dale, Oct 04 2017 *)

PROG

(PARI) a(n) = floor(exp(1)*10^n); \\ Michel Marcus, Mar 08 2015

CROSSREFS

Cf. A001113, A011544.

Cf. A011545, A011547, A011549, A011551.

Sequence in context: A175529 A267547 A195604 * A221186 A220530 A199021

Adjacent sequences:  A011540 A011541 A011542 * A011544 A011545 A011546

KEYWORD

nonn,easy,base

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified January 22 10:32 EST 2018. Contains 298042 sequences.