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1, 4, 15, 40, 205, 276, 1939, 4432, 13689, 18100, 199111, 200784, 2610205, 3136420, 3191595, 7012576, 119213809, 137103012, 2604957247, 2605199080, 2608367181, 3084857644, 70951725835, 71062911792, 355315542025, 442803520276
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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T[n_, k_] := LCM @@ Drop[ Reverse[ Range[n]], (k - n)]; Table[ Plus @@ Table[ T[n, k], {k, n}], {n, 26}] (* Robert G. Wilson v, Apr 27 2004 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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