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 | 18 |
3 | 142 |
4 | 1186 |
5 | 10152 |
6 | 88414 |
7 | 779508 |
8 | 6936066 |
9 | 62159224 |
10 | 560238728 |
11 | 5072970366 |
12 | 46114086446 |
13 | 420558296888 |
14 | 3846232573236 |
15 | 35261290343112 |
16 | 323952686556354 |
17 | 2981787128165592 |
18 | 27491128592627800 |
19 | 253835886034173848 |
20 | 2346892194318851016 |
21 | 21724880414632781472 |