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Search: id:A114105
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| 1, 8, 33, 92, 265, 384, 1057, 1384, 2475, 3160, 6721, 5556, 13273, 12656, 16545, 21904, 39457, 29664, 61921, 46220, 66381, 80608, 134113, 86712, 162825, 159224, 199395, 185444, 341881, 198480, 447361, 349728, 423093, 473416, 553105, 434844
(list; graph; listen)
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OFFSET
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1,2
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MAPLE
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A000217 := proc(n) n*(n+1)/2 ; end: A114103 := proc(n, k) lcm(n, A000217(n-1)+k) ; end: A114105 := proc(n) add( A114103(n, k), k=1..n) ; end: for n from 1 to 80 do printf("%d, ", A114105(n)) ; od ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 10 2007
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CROSSREFS
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Cf. A114103, A114104.
Sequence in context: A044466 A022274 A118312 this_sequence A014820 A070736 A051836
Adjacent sequences: A114102 A114103 A114104 this_sequence A114106 A114107 A114108
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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), Nov 21 2005
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EXTENSIONS
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Corrected and extended by Matthew Ohlsen (mjo178(AT)psu.edu), Feb 26 2006
More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 10 2007
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