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 | 7 |
1 | -37 |
2 | 19899 |
3 | -235225 |
4 | 268989175 |
5 | -4985687133 |
6 | 1052143756587 |
7 | -25075299330081 |
8 | 71491170131441775 |
9 | -1979286926244381325 |
10 | 319756423353994489291 |
11 | -9700423363591011143001 |
12 | 5919065321069316557189503 |
13 | -189993537046726536185033125 |