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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A088234 First differences of exponents of consecutive prime powers.

Original entry on oeis.org

1, 0, 1, -1, 0, 2, -1, -1, 0, 3, -3, 0, 0, 1, 1, -2, 0, 4, -4, 0, 0, 0, 1, -1, 0, 0, 5, -5, 0, 0, 0, 3, -3, 0, 0, 0, 0, 0, 0, 0, 1, 1, -2, 6, -6, 0, 0, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, -4, 7, -7, 0, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 2, -2, 0, 0, 0, 1, -1, 0, 0
Offset: 1

Views

Author

Reinhard Zumkeller, Sep 25 2003

Keywords

Comments

a(n) = A025474(n+1) - A025474(n).

Crossrefs

Programs

  • Mathematica
    Join[{1},Differences[FactorInteger[#][[1,2]]&/@Select[Range[ 400], PrimePowerQ]]] (* Harvey P. Dale, Jul 10 2020 *)
Showing 1-1 of 1 results.