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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A368228 Main diagonal of A368227: the n-th term in the trajectory of n under the A006369 map.

Original entry on oeis.org

0, 1, 2, 2, 6, 5, 4, 6, 41, 7, 86, 129, 97, 68, 49, 68, 49, 287, 102, 137, 102, 137, 385, 538, 183, 513, 361, 511, 338, 481, 681, 1791, 161, 855, 605, 801, 271, 751, 538, 356, 1939, 1325, 890, 637, 111, 1194, 380, 2111, 755, 1977, 163, 1887, 601, 1701, 563, 12403, 513, 1491, 7802
Offset: 0

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Author

Paolo Xausa, Dec 18 2023

Keywords

Crossrefs

Programs

  • Mathematica
    A368228[n_]:=Nest[If[Divisible[#,3],2#/3,Round[4#/3]]&,n,n];
    Array[A368228,100,0]

Formula

a(n) = A368227(n,n).
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