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.

A223957 Number of nX4 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.

Table of values

n a(n)
1 35
2 805
3 12311
4 176893
5 2575955
6 37844037
7 559416917
8 8299429418
9 123370738379
10 1835707326614
11 27327510542054
12 406907786331737
13 6059551623581467
14 90242115362238750
15 1343972755503334184
16 20016039213440972353

List of values

[35, 805, 12311, 176893, 2575955, 37844037, 559416917, 8299429418, 123370738379, 1835707326614, 27327510542054, 406907786331737, 6059551623581467, 90242115362238750, 1343972755503334184, 20016039213440972353]

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

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