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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
OFFSET
1,8
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 A351719 A292459
KEYWORD
nonn
AUTHOR
Clark Kimberling, Aug 19 2011
STATUS
approved