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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.

A309887 Coefficients of 4-adic expansion of exp(4).

Original entry on oeis.org

1, 3, 0, 1, 1, 0, 0, 1, 2, 3, 0, 2, 0, 2, 3, 0, 2, 0, 3, 1, 2, 2, 1, 0, 2, 2, 3, 0, 3, 2, 2, 3, 0, 2, 1, 0, 0, 0, 2, 3, 0, 2, 0, 0, 3, 3, 3, 1, 3, 0, 2, 2, 3, 3, 3, 1, 0, 3, 1, 2, 0, 0, 2, 3, 3, 1, 1, 0, 2, 1, 3, 2, 1, 1, 0, 1, 2, 3, 2, 3, 1, 1, 2, 2, 0, 3, 3, 0, 1, 1, 1, 2, 0, 1, 3, 0, 2, 2, 0, 3
Offset: 0

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Author

Seiichi Manyama, Aug 21 2019

Keywords

Crossrefs

k-adic expansion of exp(k): A317675 (k=3), this sequence (k=4), A309888 (k=5).
Cf. A092426.

Programs

  • Maple
    op([1,3],padic:-evalp(exp(4),4,100)); # Robert Israel, Aug 02 2020
  • PARI
    N=100; Vecrev(digits(lift(exp(4+O(2^(2*N)))), 4), N)