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 A024554 a(n) = sum of [ 1/{k*sqrt(5)} ], k = 1,2,...,n, where {x} := x - [ x ]. 2
 4, 6, 7, 8, 13, 15, 16, 17, 25, 27, 28, 29, 43, 46, 47, 48, 124, 128, 130, 131, 132, 137, 139, 140, 141, 148, 150, 151, 152, 164, 167, 168, 169, 207, 210, 212, 213, 214, 218, 220, 221, 222, 228, 230, 231, 232, 242, 245, 246, 247, 272, 275, 276, 277, 278, 282, 284, 285, 286 (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[Sum[Floor[1/FractionalPart[k*Sqrt[5]]], {k, 1, n}], {n, 1, 100}] (* Clark Kimberling, Aug 16 2012 *) CROSSREFS Cf. A024555. Sequence in context: A047291 A100349 A047507 * A078744 A024555 A269330 Adjacent sequences:  A024551 A024552 A024553 * A024555 A024556 A024557 KEYWORD nonn AUTHOR STATUS approved

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