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 | 101 |
| 2 | 149 |
| 3 | 163 |
| 4 | 241 |
| 5 | 269 |
| 6 | 271 |
| 7 | 317 |
| 8 | 347 |
| 9 | 367 |
| 10 | 397 |
| 11 | 409 |
| 12 | 419 |
| 13 | 443 |
| 14 | 487 |
| 15 | 509 |
| 16 | 541 |
| 17 | 587 |
| 18 | 601 |
| 19 | 641 |
| 20 | 761 |
| 21 | 787 |
| 22 | 811 |
| 23 | 821 |
| 24 | 863 |
| 25 | 907 |
| 26 | 919 |
| 27 | 1439 |
| 28 | 1481 |
| 29 | 1663 |
| 30 | 1877 |
| 31 | 2089 |
| 32 | 2111 |
| 33 | 2579 |
| 34 | 2593 |
| 35 | 2671 |
| 36 | 2819 |
| 37 | 2971 |
| 38 | 3121 |
| 39 | 3457 |
| 40 | 3463 |
| 41 | 3571 |
| 42 | 3643 |
| 43 | 3659 |
| 44 | 3769 |
| 45 | 3917 |
| 46 | 4001 |