|
|
A183137
|
|
[1/s]+[2/s]+...+[n/s], where s=(golden ratio)^2 and []=floor.
|
|
2
|
|
|
0, 0, 1, 2, 3, 5, 7, 10, 13, 16, 20, 24, 28, 33, 38, 44, 50, 56, 63, 70, 78, 86, 94, 103, 112, 121, 131, 141, 152, 163, 174, 186, 198, 210, 223, 236, 250, 264, 278, 293, 308, 324, 340, 356, 373, 390, 407, 425, 443, 462, 481, 500, 520, 540, 561, 582, 603, 625
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,4
|
|
COMMENTS
|
|
|
LINKS
|
|
|
FORMULA
|
floor(1/s)+floor(2/s)+...+floor(n/s), where s = (3+sqrt(5))/2 = (golden mean)^2.
|
|
EXAMPLE
|
a(7)=0+0+1+1+1+2+2.
|
|
MATHEMATICA
|
Accumulate[With[{c=GoldenRatio^2}, Floor[Range[60]/c]]] (* Harvey P. Dale, Apr 20 2011 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|