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 | 511 |
2 | 7229006221 |
3 | 4888774762356549331 |
4 | 8144781718207791515101819441 |
5 | 20371729407721971932197861769050382551 |
6 | 64254115995388375135778208276014009097192012661 |
7 | 235485313707274694851291521951126742198585792399471283971 |