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A194215 Partial sums of A194214. 2
0, 0, 0, 0, 1, 2, 4, 7, 11, 16, 21, 26, 31, 36, 42, 48, 55, 63, 71, 80, 90, 100, 111, 122, 133, 145, 157, 170, 184, 198, 213, 228, 243, 259, 275, 291, 308, 325, 343, 362, 382, 403, 424, 445, 466, 488, 510, 533, 556, 580, 605, 631, 657, 683, 709, 735, 762 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Table of n, a(n) for n=1..57.

MATHEMATICA

r = 2Pi/3;

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

Table[a[n], {n, 1, 90}]  (* A194214 *)

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

Table[s[n], {n, 1, 100}] (* A194215 *)

CROSSREFS

Cf. A194214.

Sequence in context: A316264 A067744 A307601 * A025718 A022783 A025708

Adjacent sequences:  A194212 A194213 A194214 * A194216 A194217 A194218

KEYWORD

nonn

AUTHOR

Clark Kimberling, Aug 19 2011

STATUS

approved

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Last modified September 20 06:19 EDT 2019. Contains 327212 sequences. (Running on oeis4.)