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 | 1 |
| 2 | 5 |
| 3 | 56 |
| 4 | 143 |
| 5 | 238 |
| 6 | 357 |
| 7 | 480 |
| 8 | 625 |
| 9 | 786 |
| 10 | 973 |
| 11 | 1178 |
| 12 | 1387 |
| 13 | 1602 |
| 14 | 1839 |
| 15 | 2084 |
| 16 | 2331 |
| 17 | 2592 |
| 18 | 2859 |
| 19 | 3134 |
| 20 | 3421 |
| 21 | 3710 |
| 22 | 4001 |
| 23 | 4304 |
| 24 | 4609 |
| 25 | 4930 |
| 26 | 5253 |
| 27 | 5578 |
| 28 | 5913 |
| 29 | 6254 |
| 30 | 6625 |
| 31 | 7030 |
| 32 | 7437 |
| 33 | 7862 |
| 34 | 8291 |
| 35 | 8738 |
| 36 | 9209 |
| 37 | 9682 |
| 38 | 10179 |
| 39 | 10694 |
| 40 | 11211 |
| 41 | 11730 |
| 42 | 12259 |
| 43 | 12798 |
| 44 | 13349 |
| 45 | 13904 |
| 46 | 14465 |
| 47 | 15040 |
| 48 | 15623 |
| 49 | 16234 |
| 50 | 16857 |
| 51 | 17482 |
| 52 | 18109 |
| 53 | 18766 |