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

Offset: 1

Author

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

Keywords

• cons
• base
• easy
• nonn

Examples

			2.B7E151628AED2A6ABF7158809CF4F3C762E7160F38B4DA56A784D9045190CFEF324E...
		

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

Programs

Mathematica

RealDigits[E~N~200, 16][[1]]
RealDigits[E,16,120][[1]] (* Harvey P. Dale, Mar 21 2023 *)

Formula

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