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 | 70 |
| 2 | 4030 |
| 3 | 5830 |
| 4 | 17272 |
| 5 | 243892 |
| 6 | 4199030 |
| 7 | 11339816 |
| 8 | 11547352 |
| 9 | 13885970 |
| 10 | 24450010 |
| 11 | 31699430 |
| 12 | 32284330 |
| 13 | 34041370 |
| 14 | 34169630 |
| 15 | 42251930 |
| 16 | 50761810 |
| 17 | 67727110 |
| 18 | 67820390 |
| 19 | 85389368 |
| 20 | 89283592 |
| 21 | 141659096 |
| 22 | 146764264 |
| 23 | 162079768 |
| 24 | 173482552 |
| 25 | 259858324 |
| 26 | 410832532 |
| 27 | 411643576 |
| 28 | 486224072 |