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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

User: Larens Imanyuel

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Larens Imanyuel has authored 1 sequences.

A211198 The largest highly composite number (A002182) that is prime(n)-smooth.

Original entry on oeis.org

1, 4, 48, 720, 50400, 665280, 43243200, 2205403200, 293318625600, 26985313555200, 782574093100800, 72779390658374400, 8976124847866176000, 368021118762513216000, 52222196752400625350400, 2454443247362829391468800, 1691111397432989450722003200
Offset: 0

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Author

Larens Imanyuel, Feb 03 2013

Keywords

Comments

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.

Links

Crossrefs

Cf. A002182.

Programs

  • Mathematica
    (* 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 *)

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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