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.

Previous Showing 11-17 of 17 results.

A247053 Number of endofunctions on [n] that are the 6th power of an endofunction.

Original entry on oeis.org

1, 1, 3, 10, 44, 295, 3136, 42784, 642104, 10246149, 173647330
Offset: 0

Views

Author

Alois P. Heinz, Sep 10 2014

Keywords

Examples

			a(3) = 10: (1,1,1), (1,1,3), (1,2,1), (1,2,2), (1,2,3), (1,3,3), (2,2,2), (2,2,3), (3,2,3), (3,3,3).

Crossrefs

Column k=6 of A247026.

Extensions

Offset corrected by Vincenzo Librandi, Sep 11 2014
a(8) from Alois P. Heinz, Sep 26 2014
a(9)-a(10) from Bert Dobbelaere, Jan 24 2019

A247054 Number of endofunctions on [n] that are the 7th power of an endofunction.

Original entry on oeis.org

1, 1, 4, 21, 148, 1305, 13806, 169681, 2357560, 36407241, 621268930
Offset: 0

Views

Author

Alois P. Heinz, Sep 10 2014

Keywords

Crossrefs

Column k=7 of A247026.

Extensions

a(8)-a(10) from Bert Dobbelaere, Jan 24 2019

A247055 Number of endofunctions on [n] that are the 8th power of an endofunction.

Original entry on oeis.org

1, 1, 3, 12, 73, 580, 5601, 63994, 844929, 12647016, 211616785
Offset: 0

Views

Author

Alois P. Heinz, Sep 10 2014

Keywords

Examples

			a(3) = 12: (1,1,1), (1,1,3), (1,2,1), (1,2,2), (1,2,3), (1,3,3), (2,2,2), (2,2,3), (2,3,1), (3,1,2), (3,2,3), (3,3,3).

Crossrefs

Column k=8 of A247026.

Extensions

a(8)-a(10) from Bert Dobbelaere, Jan 24 2019

A247056 Number of endofunctions on [n] that are the 9th power of an endofunction.

Original entry on oeis.org

1, 1, 4, 19, 116, 925, 9286, 110131, 1487144, 22607353, 384379370
Offset: 0

Views

Author

Alois P. Heinz, Sep 10 2014

Keywords

Examples

			a(3) = 19: (1,1,1), (1,1,3), (1,2,1), (1,2,2), (1,2,3), (1,3,2), (1,3,3), (2,1,1), (2,1,2), (2,1,3), (2,2,2), (2,2,3), (2,3,2), (3,1,1), (3,2,1), (3,2,3), (3,3,1), (3,3,2), (3,3,3).

Crossrefs

Column k=9 of A247026.

Extensions

a(8)-a(10) from Bert Dobbelaere, Jan 25 2019

A247057 Number of endofunctions on [n] that are the 10th power of an endofunction.

Original entry on oeis.org

1, 1, 3, 12, 76, 631, 5952, 61642, 724536, 10132749, 169431706
Offset: 0

Views

Author

Alois P. Heinz, Sep 10 2014

Keywords

Examples

			a(3) = 12: (1,1,1), (1,1,3), (1,2,1), (1,2,2), (1,2,3), (1,3,3), (2,2,2), (2,2,3), (2,3,1), (3,1,2), (3,2,3), (3,3,3).

Crossrefs

Column k=10 of A247026.

Extensions

a(8)-a(10) from Bert Dobbelaere, Jan 25 2019

A247058 Number of endofunctions on [7] that are the n-th power of an endofunction.

Original entry on oeis.org

1, 823543, 197764, 145621, 69244, 150955, 42784, 169681, 63994, 110131, 61642, 170401, 26194, 170401, 80074, 90475, 63994, 170401, 42784, 170401, 44842, 109411, 80794, 170401, 26194, 150745, 80794, 110131, 63274, 170401, 23632, 170401, 63994, 110131, 80794, 150025
Offset: 0

Views

Author

Alois P. Heinz, Sep 10 2014

Keywords

Examples

			a(0) = 1: (1,2,3,4,5,6,7).
a(1) = 7^7 = 823543.

Crossrefs

Row n=7 of A247026.

Extensions

a(13)-a(35) from Pontus von Brömssen, Jan 09 2024

A247059 Number of endofunctions on [n] that are the n-th power of an endofunction.

Original entry on oeis.org

1, 1, 3, 19, 73, 1281, 3136, 169681, 844929, 22607353, 169431706
Offset: 0

Views

Author

Alois P. Heinz, Sep 10 2014

Keywords

Examples

			a(3) = 19: (1,1,1), (1,1,3), (1,2,1), (1,2,2), (1,2,3), (1,3,2), (1,3,3), (2,1,1), (2,1,2), (2,1,3), (2,2,2), (2,2,3), (2,3,2), (3,1,1), (3,2,1), (3,2,3), (3,3,1), (3,3,2), (3,3,3).

Crossrefs

Main diagonal of A247026.

Extensions

a(8)-a(10) from Bert Dobbelaere, Jan 25 2019
Previous Showing 11-17 of 17 results.

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