Search: a194253 -id:a194253
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0, 1, 2, 4, 6, 9, 12, 16, 20, 25, 30, 36, 42, 48, 55, 63, 72, 81, 91, 101, 112, 123, 135, 147, 159, 171, 184, 198, 212, 227, 243, 260, 277, 295, 313, 332, 351, 370, 389, 409, 429, 450, 472, 494, 517, 540, 564, 588, 613, 638, 664, 690, 717, 744, 771, 799
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OFFSET
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1,3
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LINKS
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MATHEMATICA
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r = Sqrt[12];
a[n_] := Floor[Sum[FractionalPart[k*r], {k, 1, n}]]
Table[a[n], {n, 1, 90}] (* A194253 *)
s[n_] := Sum[a[k], {k, 1, n}]
Table[s[n], {n, 1, 100}] (* A194254 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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