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) |
|---|---|
| 1 | 3 |
| 2 | 11 |
| 3 | 36 |
| 4 | 363 |
| 5 | 3366 |
| 6 | 8563 |
| 7 | 35963 |
| 8 | 394123 |
| 9 | 3055048 |
| 10 | 11531588 |
| 11 | 115464831 |
| 12 | 115470036 |
| 13 | 1154484036 |
| 14 | 10645763163 |
| 15 | 35401884036 |
| 16 | 152754484036 |
| 17 | 365148371588 |
| 18 | 2292012515963 |
| 19 | 33065591380305 |
| 20 | 115470003521836 |
| 21 | 642442319075676 |
| 22 | 1154701378423588 |
| 23 | 10996978373724908 |
| 24 | 36347397889274188 |
| 25 | 230810167309875091 |