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A194150 Sum{floor(j*(3+sqrt(5)) : 1<=j<=n}; n-th partial sum of Beatty sequence for (3+sqrt(5). 0
5, 15, 30, 50, 76, 107, 143, 184, 231, 283, 340, 402, 470, 543, 621, 704, 793, 887, 986, 1090, 1199, 1314, 1434, 1559, 1689, 1825, 1966, 2112, 2263, 2420, 2582, 2749, 2921, 3099, 3282, 3470, 3663, 3861, 4065, 4274, 4488, 4707, 4932, 5162, 5397 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

MATHEMATICA

c[n_] := Sum[Floor[j*(3+Sqrt[5])], {j, 1, n}];

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

CROSSREFS

Cf.  A001962 (Beatty sequence for 3+sqrt(5)).

Sequence in context: A059160 A319930 A028895 * A246817 A010898 A048065

Adjacent sequences:  A194147 A194148 A194149 * A194151 A194152 A194153

KEYWORD

nonn

AUTHOR

Clark Kimberling, Aug 17 2011

STATUS

approved

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Last modified November 29 11:56 EST 2020. Contains 338766 sequences. (Running on oeis4.)