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A211198
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The largest highly composite number (A002182) that is prime(n)-smooth.
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2
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1, 4, 48, 720, 50400, 665280, 43243200, 2205403200, 293318625600, 26985313555200, 782574093100800, 72779390658374400, 8976124847866176000, 368021118762513216000, 52222196752400625350400, 2454443247362829391468800, 1691111397432989450722003200
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OFFSET
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0,2
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COMMENTS
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We assume prime(0) is 1. The set of maximal composite numbers is the "opposite" of the set of (old) prime numbers A008578, with both being indexed by the nonnegative integers A001477.
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LINKS
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MATHEMATICA
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(* let t be the sequence of numbers in A002182 *) Join[{1}, Table[Select[t, FactorInteger[#][[-1, 1]] == Prime[n] &][[-1]], {n, 20}]] (* T. D. Noe, Feb 09 2013 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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