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A194149 Sum{floor(j*(5-sqrt(3))/2) : 1<=j<=n}; n-th partial sum of Beatty sequence for (5-sqrt(3))/2. 0
1, 4, 8, 14, 22, 31, 42, 55, 69, 85, 102, 121, 142, 164, 188, 214, 241, 270, 301, 333, 367, 402, 439, 478, 518, 560, 604, 649, 696, 745, 795, 847, 900, 955, 1012, 1070, 1130, 1192, 1255, 1320, 1386, 1454, 1524, 1595, 1668, 1743, 1819, 1897, 1977 (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*(5-Sqrt[3])/2], {j, 1, n}];

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

CROSSREFS

Cf.  A182772 (Beatty sequence for (5-sqrt(3))/2).

Sequence in context: A053459 A024398 A054347 * A003682 A333700 A011897

Adjacent sequences:  A194146 A194147 A194148 * A194150 A194151 A194152

KEYWORD

nonn

AUTHOR

Clark Kimberling, Aug 17 2011

STATUS

approved

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Last modified March 2 05:06 EST 2021. Contains 341741 sequences. (Running on oeis4.)