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A194240 Partial sums of A194239. 2
0, 0, 1, 3, 5, 7, 9, 12, 16, 20, 24, 29, 34, 40, 46, 53, 60, 68, 77, 86, 95, 105, 116, 128, 140, 152, 165, 179, 193, 207, 221, 236, 252, 268, 284, 300, 317, 335, 353, 371, 390, 410, 430, 451, 472, 493, 515, 538, 561, 585, 609, 634, 660, 686, 712, 739, 767 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
MATHEMATICA
r = (1+Sqrt[2])/2;
a[n_] := Floor[Sum[FractionalPart[k*r], {k, 1, n}]]
Table[a[n], {n, 1, 90}] (* A194239 *)
s[n_] := Sum[a[k], {k, 1, n}]
Table[s[n], {n, 1, 100}] (* A194240 *)
CROSSREFS
Cf. A194239.
Sequence in context: A118015 A265057 A122643 * A265058 A265059 A349828
KEYWORD
nonn
AUTHOR
Clark Kimberling, Aug 20 2011
STATUS
approved

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Last modified April 13 12:32 EDT 2024. Contains 371641 sequences. (Running on oeis4.)