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.

Showing 1-4 of 4 results.

A163890 Orbit size of n in permutation A163355.

Original entry on oeis.org

1, 1, 2, 2, 6, 3, 3, 6, 6, 6, 3, 3, 6, 3, 6, 3, 1, 3, 3, 3, 1, 1, 2, 2, 4, 2, 2, 4, 4, 2, 4, 2, 4, 8, 8, 4, 4, 2, 2, 4, 2, 2, 2, 2, 8, 8, 4, 4, 4, 4, 8, 8, 4, 2, 4, 2, 4, 8, 4, 8, 2, 2, 2, 2, 6, 6, 6, 6, 12, 6, 6, 12, 12, 12, 6, 6, 18, 18, 18, 6, 3, 3, 6, 6, 6, 3, 3, 6, 6, 6, 3, 3, 6, 3, 6, 3, 9, 18
Offset: 0

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Author

Antti Karttunen, Sep 19 2009

Keywords

Comments

Will all terms of A003586 eventually appear?

Crossrefs

Programs

  • Scheme
    (define (A163890 n) (let loop ((i 1) (nn (A163355 n))) (cond ((= nn n) i) (else (loop (1+ i) (A163355 nn))))))

A163912 Least common multiple of all cycle sizes in range [A000302(n-1)..A024036(n)] of permutation A163355/A163356.

Original entry on oeis.org

1, 2, 6, 24, 36, 288, 432, 1728, 2592, 31104, 15552
Offset: 0

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Author

Antti Karttunen, Sep 19 2009

Keywords

Crossrefs

A163891 Positions where A163890 obtains distinct new values.

Original entry on oeis.org

0, 2, 4, 5, 24, 33, 68, 76, 96, 390, 536, 561, 1092, 1093, 1156, 1220, 1554, 6242, 8465, 8584, 8977, 17953, 18500, 19564, 99396, 99873, 101444, 137286, 143633, 279620, 279622, 287108, 287248, 397585, 401796, 1597720, 1597969, 1598532
Offset: 0

Views

Author

Antti Karttunen, Sep 19 2009

Keywords

Crossrefs

A163893 First differences of A163891.

Original entry on oeis.org

2, 2, 1, 19, 9, 35, 8, 20, 294, 146, 25, 531, 1, 63, 64, 334, 4688, 2223, 119, 393, 8976, 547, 1064, 79832, 477, 1571, 35842, 6347, 135987, 2, 7486, 140, 110337, 4211, 1195924, 249, 563, 24576, 543981, 29488, 995, 30
Offset: 0

Views

Author

Antti Karttunen, Sep 19 2009

Keywords

Crossrefs

Formula

a(n) = A163891(n+1)-A163891(n).
Showing 1-4 of 4 results.