A124457 Decimal expansion of exp(1 + 1/2 + 1/3).

6, 2, 5, 4, 7, 0, 0, 9, 5, 1, 9, 3, 6, 3, 2, 8, 7, 1, 6, 4, 0, 2, 0, 7, 4, 6, 1, 1, 3, 5, 8, 2, 8, 5, 2, 4, 9, 9, 2, 9, 6, 7, 7, 5, 3, 4, 0, 4, 7, 7, 9, 3, 1, 8, 8, 7, 4, 5, 0, 2, 9, 8, 8, 9, 7, 2, 2, 8, 9, 0, 3, 6, 5, 7, 9, 4, 2, 3, 5, 8, 4, 9, 4, 6, 1, 7, 6, 9, 0, 7, 1, 8, 5, 4, 6, 5, 0, 8, 1, 1, 2, 3, 0, 6, 7

Offset

1,1

Comments

Exp(1), exp(1+1/2), exp(1+1/2+1/3), ... appear to be related to derangements with minimal cycle sizes.

Links

G. C. Greubel, Table of n, a(n) for n = 1..5000

Example

exp(1 + 1/2 + 1/3) = 6.25470095...

Mathematica

RealDigits[Exp[1+1/2+1/3], 10, 120][[1]] (* Harvey P. Dale, Oct 08 2012 *)

Prog

(Magma) SetDefaultRealField(RealField(120)); Exp(1+1/2+1/3); // G. C. Greubel, Mar 27 2022
(Sage) numerical_approx(exp(1+1/2+1/3), digits=110) # G. C. Greubel, Mar 27 2022

Crossrefs

Cf. A000166, A001113, A067736.

Sequence in context: A199734 A007321 A062828 * A258102 A309449 A063720

Adjacent sequences: A124454 A124455 A124456 * A124458 A124459 A124460

Keyword

cons,easy,nonn

Author

Alford Arnold, Nov 03 2006

Extensions

More terms from Franklin T. Adams-Watters, Nov 19 2006

Status

approved