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.
n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 10 |
6 | 85 |
7 | 630 |
8 | 4445 |
9 | 30282 |
10 | 202565 |
11 | 1338590 |
12 | 8781245 |
13 | 57330130 |
14 | 373158149 |
15 | 2424055270 |
16 | 15726655645 |
17 | 101945272410 |
18 | 660482562565 |
19 | 4277608337518 |
20 | 27697444314045 |
21 | 179313224367970 |
22 | 1160758151567685 |
23 | 7513510490678390 |
24 | 48632383711996701 |
25 | 314772014292259050 |