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 | 10 |
| 3 | 21 |
| 4 | 35 |
| 5 | 53 |
| 6 | 74 |
| 7 | 99 |
| 8 | 128 |
| 9 | 160 |
| 10 | 196 |
| 11 | 235 |
| 12 | 277 |
| 13 | 324 |
| 14 | 374 |
| 15 | 427 |
| 16 | 484 |
| 17 | 545 |
| 18 | 609 |
| 19 | 676 |
| 20 | 748 |
| 21 | 822 |
| 22 | 901 |
| 23 | 983 |
| 24 | 1068 |
| 25 | 1157 |
| 26 | 1250 |
| 27 | 1346 |
| 28 | 1446 |
| 29 | 1549 |
| 30 | 1656 |
| 31 | 1766 |
| 32 | 1880 |
| 33 | 1998 |
| 34 | 2119 |
| 35 | 2244 |
| 36 | 2372 |
| 37 | 2504 |
| 38 | 2639 |
| 39 | 2778 |
| 40 | 2921 |
| 41 | 3067 |
| 42 | 3216 |
| 43 | 3369 |
| 44 | 3526 |
| 45 | 3686 |
| 46 | 3850 |
| 47 | 4018 |
| 48 | 4189 |