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A194174
Partial sums of A194173.
3
0, 1, 2, 4, 6, 9, 12, 16, 20, 24, 29, 35, 41, 48, 55, 63, 71, 79, 88, 98, 108, 119, 131, 143, 156, 169, 182, 196, 210, 225, 240, 256, 273, 290, 308, 326, 344, 363, 382, 402, 423, 444, 466, 488, 511, 534, 558, 582, 606, 631, 657, 683, 710, 737, 765, 793
OFFSET
1,3
LINKS
MATHEMATICA
r = Sqrt[6];
a[n_] := Floor[Sum[FractionalPart[k*r], {k, 1, n}]]
Table[a[n], {n, 1, 90}] (* A194173 *)
s[n_] := Sum[a[k], {k, 1, n}]
Table[s[n], {n, 1, 100}] (* A194174 *)
CROSSREFS
Cf. A194173.
Sequence in context: A061536 A095114 A062048 * A168048 A075354 A194164
KEYWORD
nonn
AUTHOR
Clark Kimberling, Aug 18 2011
STATUS
approved