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.

A168358 Self-convolution square of A001246, which is the squares of Catalan numbers.

Table of values

n a(n)
0 1
1 2
2 9
3 58
4 458
5 4120
6 40569
7 426842
8 4723890
9 54402904
10 646992474
11 7900772120
12 98642862232
13 1254984808672
14 16227116787737
15 212790354730842
16 2824992774357362
17 37915366854924952
18 513837166842215970

List of values

[1, 2, 9, 58, 458, 4120, 40569, 426842, 4723890, 54402904, 646992474, 7900772120, 98642862232, 1254984808672, 16227116787737, 212790354730842, 2824992774357362, 37915366854924952, 513837166842215970]

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

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