A170873 - OEIS

A170873

Hexadecimal expansion of e.

2, 11, 7, 14, 1, 5, 1, 6, 2, 8, 10, 14, 13, 2, 10, 6, 10, 11, 15, 7, 1, 5, 8, 8, 0, 9, 12, 15, 4, 15, 3, 12, 7, 6, 2, 14, 7, 1, 6, 0, 15, 3, 8, 11, 4, 13, 10, 5, 6, 10, 7, 8, 4, 13, 9, 0, 4, 5, 1, 9, 0, 12, 15, 14, 15, 3, 2, 4, 14, 7, 7, 3, 8, 9, 2, 6, 12, 15, 11, 14, 5, 15, 4, 11, 15, 8, 13, 8

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..88.

FORMULA

a(n) = 8*A004593(4n)+4*A004593(4n+1)+2*A004593(4n+2)+1*A004593(4n+3).

EXAMPLE

2.B7E151628AED2A6ABF7158809CF4F3C762E7160F38B4DA56A784D9045190CFEF324E...

MATHEMATICA

RealDigits[E~N~200, 16][[1]]

RealDigits[E, 16, 120][[1]] (* Harvey P. Dale, Mar 21 2023 *)

CROSSREFS

Cf. A004593, A001113.

Expansion of e in base b: A004593 (b=2), A004594 (b=3), A004595 (b=4), A004596 (b=5), A004597 (b=6), A004598 (b=7), A004599 (b=8), A004600 (b=9), A001113 (b=10), this sequence (b=16). - Jason Kimberley, Dec 05 2012

Sequence in context: A165768 A323783 A306537 * A224210 A344776 A368640

Adjacent sequences: A170870 A170871 A170872 * A170874 A170875 A170876

KEYWORD

cons,base,easy,nonn

AUTHOR

Andrew J. Robbins, Jan 03 2010, at the request of N. J. A. Sloane

STATUS

approved