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A038669
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[ n/2 ]+[ n/3 ]+[ n/4 ]+[ n/7 ]+[ n/11 ]+[ n/18 ]+[ n/29 ]+[ n/47 ]+[ n/76 ]+[ n/123 ]+[ n/199 ]+... (using Lucas numbers A000032).
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0
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0, 1, 2, 4, 4, 6, 7, 9, 10, 11, 12, 15, 15, 17, 18, 20, 20, 23, 23, 25, 27, 29, 29, 32, 32, 33, 34, 37, 38, 40, 40, 42, 44, 45, 46, 50, 50, 51, 52, 54, 54, 57, 57, 60, 61, 62, 63, 66, 67, 68, 69, 71, 71, 74, 75, 78, 79, 81, 81, 84, 84, 85, 87, 89, 89, 92, 92, 94, 95, 97, 97, 101
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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MAPLE
| lucas := proc(n) option remember: if n=0 then RETURN(2) fi: if n=1 then RETURN(1) fi: lucas(n- 1)+lucas(n-2) end: for j from 0 to 100 do it[j] := lucas(j) od: for n from 1 to 200 do printf(`%d, `, floor(n/2) + sum(floor(n/it[k]), k=2..15)) od:
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CROSSREFS
| Cf. A038663.
Sequence in context: A205404 A014246 A026413 * A135692 A089003 A132118
Adjacent sequences: A038666 A038667 A038668 * A038670 A038671 A038672
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KEYWORD
| nonn
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AUTHOR
| xpolakis(AT)hol.gr (Antreas P. Hatzipolakis)
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EXTENSIONS
| More terms from James A. Sellers (sellersj(AT)math.psu.edu), Feb 19 2001
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