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 | 15 |
| 3 | 39 |
| 4 | 63 |
| 5 | 93 |
| 6 | 195 |
| 7 | 171 |
| 8 | 255 |
| 9 | 363 |
| 10 | 465 |
| 11 | 399 |
| 12 | 819 |
| 13 | 549 |
| 14 | 855 |
| 15 | 1209 |
| 16 | 1023 |
| 17 | 921 |
| 18 | 1815 |
| 19 | 1143 |
| 20 | 1953 |
| 21 | 2223 |
| 22 | 1995 |
| 23 | 1659 |
| 24 | 3315 |
| 25 | 2343 |
| 26 | 2745 |
| 27 | 3279 |
| 28 | 3591 |
| 29 | 2613 |
| 30 | 6045 |
| 31 | 2979 |
| 32 | 4095 |
| 33 | 5187 |
| 34 | 4605 |
| 35 | 5301 |
| 36 | 7623 |
| 37 | 4221 |
| 38 | 5715 |
| 39 | 7137 |
| 40 | 7905 |
| 41 | 5169 |
| 42 | 11115 |
| 43 | 5679 |
| 44 | 8379 |
| 45 | 11253 |