cp's OEIS Frontend

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.

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A098869 Where A098018(k)=n.

Original entry on oeis.org

2, 34, 22, 238, 506, 945, 1190, 4725, 5474, 6615, 27370, 32175, 46305, 46410, 78936, 158746, 211120, 135135, 139230, 773955, 569400, 867510, 1309620, 675675, 2277600, 3374800, 3759210, 2619240, 4729725, 6721704, 2753660, 8622900
Offset: 1

Views

Author

Leroy Quet and Robert G. Wilson v, Nov 03 2004

Keywords

Comments

k is the first occurrence of n in A098018.

Crossrefs

Programs

  • Mathematica
    f[n_] := Plus @@ MoebiusMu[ Drop[ Divisors[n], 1] - 1]; t = Table[0, {100}]; Do[ a = f[n]; If[Positive[a] && a < 101 && t[[a]] == 0, t[[a]] = n], {n, }]; t
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