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A194221 Partial sums of A194220. 3
0, 0, 1, 2, 3, 5, 8, 11, 14, 17, 21, 25, 29, 34, 40, 46, 52, 58, 65, 72, 79, 87, 96, 105, 114, 123, 133, 143, 153, 164, 176, 188, 200, 212, 225, 238, 251, 265, 280, 295, 310, 325, 341, 357, 373, 390, 408, 426, 444, 462, 481, 500, 519, 539, 560, 581, 602 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

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

MATHEMATICA

r = 1/4;

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

Table[a[n], {n, 1, 90}]    (* A194220 *)

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

Table[s[n], {n, 1, 100}]   (* A194221 *)

CROSSREFS

Cf. A194220.

Sequence in context: A271876 A078444 A225087 * A054925 A194248 A325515

Adjacent sequences:  A194218 A194219 A194220 * A194222 A194223 A194224

KEYWORD

nonn

AUTHOR

Clark Kimberling, Aug 19 2011

STATUS

approved

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Last modified November 17 06:06 EST 2019. Contains 329217 sequences. (Running on oeis4.)