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 | -81 |
| 2 | -143 |
| 3 | -217 |
| 4 | -297 |
| 5 | -377 |
| 6 | -451 |
| 7 | -513 |
| 8 | -557 |
| 9 | -577 |
| 10 | -567 |
| 11 | -521 |
| 12 | -433 |
| 13 | -297 |
| 14 | -107 |
| 15 | 143 |
| 16 | 459 |
| 17 | 847 |
| 18 | 1313 |
| 19 | 1863 |
| 20 | 2503 |
| 21 | 3239 |
| 22 | 4077 |
| 23 | 5023 |
| 24 | 6083 |
| 25 | 7263 |
| 26 | 8569 |
| 27 | 10007 |
| 28 | 11583 |
| 29 | 13303 |
| 30 | 15173 |
| 31 | 17199 |
| 32 | 19387 |
| 33 | 21743 |
| 34 | 24273 |
| 35 | 26983 |
| 36 | 29879 |
| 37 | 32967 |
| 38 | 36253 |
| 39 | 39743 |