A024580 a(n) = [ sum of 1/{k/e} ] for k = 1,2,...,n, where {x} := x - [ x ].

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

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