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A024580 a(n) = [ sum of 1/{k/e} ] for k = 1,2,...,n, where {x} := x - [ x ]. 2
2, 4, 13, 15, 17, 21, 23, 24, 27, 29, 50, 53, 54, 61, 63, 64, 68, 69, 70, 73, 74, 85, 87, 88, 94, 95, 96, 100, 101, 129, 131, 132, 140, 142, 143, 147, 148, 150, 152, 154, 166, 168, 169, 175, 176, 178, 181, 182, 221, 223, 225, 232, 234, 236, 240, 241, 242 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..1000

MATHEMATICA

Table[Floor[Sum[1/FractionalPart[k/E], {k, n}]], {n, 100}] (* Clark Kimberling, Aug 17 2012 *)

CROSSREFS

Cf. A024579.

Sequence in context: A023640 A064454 A116662 * A074097 A276481 A287684

Adjacent sequences:  A024577 A024578 A024579 * A024581 A024582 A024583

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

Corrected by Clark Kimberling, Aug 17 2012

STATUS

approved

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Last modified July 24 06:56 EDT 2021. Contains 346273 sequences. (Running on oeis4.)