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A194211 Partial sums of A194210. 2
0, 0, 0, 0, 0, 0, 1, 2, 4, 6, 9, 12, 16, 20, 25, 31, 38, 46, 54, 63, 73, 83, 94, 105, 116, 127, 138, 150, 162, 174, 187, 200, 214, 229, 244, 260, 277, 294, 312, 331, 351, 372, 393, 414, 435, 457, 479, 501, 523, 546, 569, 593, 617, 642, 667, 693, 720, 747, 775 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,8

LINKS

Table of n, a(n) for n=1..59.

MATHEMATICA

r = Pi/3;

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

Table[a[n], {n, 1, 90}]  (* A194210 *)

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

Table[s[n], {n, 1, 100}] (* A194211 *)

CROSSREFS

Cf. A194210.

Sequence in context: A224811 A024617 A025698 * A224808 A292459 A194250

Adjacent sequences:  A194208 A194209 A194210 * A194212 A194213 A194214

KEYWORD

nonn

AUTHOR

Clark Kimberling, Aug 19 2011

STATUS

approved

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Last modified September 25 15:49 EDT 2020. Contains 337344 sequences. (Running on oeis4.)