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.

A223884 Number of nX4 0..2 arrays with row sums unimodal and column sums inverted unimodal.

Table of values

n a(n)
1 46
2 3298
3 187019
4 8872648
5 367614623
6 13705619321
7 469700382368
8 15028355082420
9 454196578645090
10 13083963708689100
11 361818451966460877
12 9660123785787286044
13 250171942122628486761
14 6308537121431695167897

List of values

[46, 3298, 187019, 8872648, 367614623, 13705619321, 469700382368, 15028355082420, 454196578645090, 13083963708689100, 361818451966460877, 9660123785787286044, 250171942122628486761, 6308537121431695167897]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.