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A194174 Partial sums of A194173. 3
0, 1, 2, 4, 6, 9, 12, 16, 20, 24, 29, 35, 41, 48, 55, 63, 71, 79, 88, 98, 108, 119, 131, 143, 156, 169, 182, 196, 210, 225, 240, 256, 273, 290, 308, 326, 344, 363, 382, 402, 423, 444, 466, 488, 511, 534, 558, 582, 606, 631, 657, 683, 710, 737, 765, 793 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..1000

MATHEMATICA

r = Sqrt[6];

a[n_] := Floor[Sum[FractionalPart[k*r], {k, 1, n}]]

Table[a[n], {n, 1, 90}]   (* A194173 *)

s[n_] := Sum[a[k], {k, 1, n}]

Table[s[n], {n, 1, 100}]  (* A194174 *)

CROSSREFS

Cf. A194173.

Sequence in context: A061536 A095114 A062048 * A168048 A075354 A194164

Adjacent sequences:  A194171 A194172 A194173 * A194175 A194176 A194177

KEYWORD

nonn

AUTHOR

Clark Kimberling, Aug 18 2011

STATUS

approved

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Last modified May 28 05:47 EDT 2022. Contains 354112 sequences. (Running on oeis4.)