



0, 1, 2, 4, 6, 9, 12, 15, 19, 24, 29, 35, 41, 47, 54, 62, 70, 79, 88, 98, 108, 119, 130, 141, 153, 166, 180, 194, 208, 223, 238, 254, 270, 287, 305, 323, 341, 360, 379, 398, 418, 439, 460, 482, 504, 526, 549, 573, 597, 622, 647, 673, 699, 726, 753, 780
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OFFSET

1,3


LINKS

Table of n, a(n) for n=1..56.


MATHEMATICA

r = 2E;
a[n_] := Floor[Sum[FractionalPart[k*r], {k, 1, n}]]
Table[a[n], {n, 1, 90}] (* A194202 *)
s[n_] := Sum[a[k], {k, 1, n}]
Table[s[n], {n, 1, 100}] (* A194203 *)


CROSSREFS

Cf. A194202.
Sequence in context: A234363 A194229 A194201 * A130025 A145802 A076271
Adjacent sequences: A194200 A194201 A194202 * A194204 A194205 A194206


KEYWORD

nonn


AUTHOR

Clark Kimberling, Aug 19 2011


STATUS

approved



