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 | 1 |
1 | 2 |
2 | 7 |
3 | 45 |
4 | 335 |
5 | 2731 |
6 | 23573 |
7 | 211741 |
8 | 1958571 |
9 | 18529392 |
10 | 178459000 |
11 | 1743868792 |
12 | 17246702932 |
13 | 172302244669 |
14 | 1736302280083 |
15 | 17627794322287 |
16 | 180133941044517 |
17 | 1851310247393202 |
18 | 19123511540724822 |
19 | 198437973436950204 |
20 | 2067524004169000212 |
21 | 21620908821378509071 |