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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A346565 Number of compositions (ordered partitions) of 4^n into powers of 4.

Original entry on oeis.org

1, 2, 96, 579739960, 773527571233557154337704151068262296
Offset: 0

Views

Author

Ilya Gutkovskiy, Jul 23 2021

Keywords

Comments

The next term is too large to include.

Crossrefs

Programs

  • Mathematica
    Table[SeriesCoefficient[1/(1 - Sum[x^(4^k), {k, 0, n}]), {x, 0, 4^n}], {n, 0, 4}]

Formula

a(n) = [x^(4^n)] 1 / (1 - Sum_{k>=0} x^(4^k)).
a(n) = A087221(A000302(n)).
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