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A194106 Sum{floor(j*sqrt(3) : 1<=j<=n}; n-th partial sum of Beatty sequence for sqrt(3). 2
1, 4, 9, 15, 23, 33, 45, 58, 73, 90, 109, 129, 151, 175, 200, 227, 256, 287, 319, 353, 389, 427, 466, 507, 550, 595, 641, 689, 739, 790, 843, 898, 955, 1013, 1073, 1135, 1199, 1264, 1331, 1400, 1471, 1543, 1617, 1693, 1770, 1849, 1930, 2013, 2097 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..49.

MATHEMATICA

c[n_] := Sum[Floor[j*Sqrt[3]], {j, 1, n}];

c = Table[c[n], {n, 1, 90}]

CROSSREFS

Cf. A194107, A194108, A194109, A022838 (Beatty sequence for sqrt(3)).

Sequence in context: A285283 A243536 A184005 * A004629 A065893 A052116

Adjacent sequences:  A194103 A194104 A194105 * A194107 A194108 A194109

KEYWORD

nonn

AUTHOR

Clark Kimberling, Aug 15 2011

STATUS

approved

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Last modified June 19 22:42 EDT 2021. Contains 345152 sequences. (Running on oeis4.)