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Search: id:A074179
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| A074179 |
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a(1) = 1, a(n) = smallest multiple of n divisible by the sum of all previous terms. |
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+0
1
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| 1, 2, 3, 12, 90, 108, 1512, 1728, 3456, 34560, 456192, 497664, 12939264, 13934592, 139345920, 167215104, 5685313536, 6019743744, 228750262272, 240789749760, 481579499520, 10594748989440, 265831883735040, 277389791723520
(list; graph; listen)
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OFFSET
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1,2
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MAPLE
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a[1] := 1:a[2] := 2:s := 3:for n from 3 to 50 do a[n] := lcm(s, n):s := s+a[n]:od:seq(a[k], k=1..50);
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CROSSREFS
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Sequence in context: A012396 A013012 A009594 this_sequence A012586 A088223 A162053
Adjacent sequences: A074176 A074177 A074178 this_sequence A074180 A074181 A074182
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 31 2002
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EXTENSIONS
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Corrected and extended by Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Feb 12 2003
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