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 11-16 of 16 results.

A239375 Number of words of length n over the alphabet {0, ..., n-1} that avoid the pattern 1221.

Original entry on oeis.org

1, 1, 4, 27, 250, 2915, 40766, 662494, 12236190, 252664815, 5759288044, 143463453199, 3873471153366, 112587628893480
Offset: 0

Views

Author

Chad Brewbaker, Mar 17 2014

Keywords

Crossrefs

Cf. A239295.

Extensions

a(8)-a(13) from Martin Ehrenstein, Dec 03 2023

A239376 Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1223.

Original entry on oeis.org

1, 1, 4, 27, 252, 2935, 40330, 632352, 11070192, 213109881, 4460816992, 100651469996, 2431215093846, 62514061904580, 1703115911340272, 48965931282533948, 1480607510447121328, 46944740372499336665
Offset: 0

Views

Author

Chad Brewbaker, Mar 17 2014

Keywords

Crossrefs

Cf. A239295.

Extensions

a(8)-a(17) from Alois P. Heinz, Mar 19 2014

A239377 Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1231.

Original entry on oeis.org

1, 1, 4, 27, 252, 2935, 40336, 632870
Offset: 0

Views

Author

Chad Brewbaker, Mar 17 2014

Keywords

Crossrefs

Cf. A239295.

A239378 Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1312.

Original entry on oeis.org

1, 1, 4, 27, 252, 2935, 40300, 630392
Offset: 0

Views

Author

Chad Brewbaker, Mar 17 2014

Keywords

Crossrefs

Cf. A239295.

A239379 Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1423.

Original entry on oeis.org

1, 1, 4, 27, 255, 3028, 41972, 647006
Offset: 0

Views

Author

Chad Brewbaker, Mar 17 2014

Keywords

Crossrefs

Cf. A239295.

A239380 Words of length n over the alphabet {0,...,n-1} that avoid the pattern 2413.

Original entry on oeis.org

1, 1, 4, 27, 255, 3028, 41966, 646404
Offset: 0

Views

Author

Chad Brewbaker, Mar 17 2014

Keywords

Crossrefs

Cf. A239295.
Previous Showing 11-16 of 16 results.