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 | 10 |
| 3 | 21 |
| 4 | 31 |
| 5 | 41 |
| 6 | 51 |
| 7 | 61 |
| 8 | 71 |
| 9 | 81 |
| 10 | 91 |
| 11 | 210 |
| 12 | 310 |
| 13 | 321 |
| 14 | 410 |
| 15 | 421 |
| 16 | 431 |
| 17 | 510 |
| 18 | 521 |
| 19 | 531 |
| 20 | 541 |
| 21 | 610 |
| 22 | 621 |
| 23 | 631 |
| 24 | 641 |
| 25 | 651 |
| 26 | 710 |
| 27 | 721 |
| 28 | 731 |
| 29 | 741 |
| 30 | 751 |
| 31 | 761 |
| 32 | 810 |
| 33 | 821 |
| 34 | 831 |
| 35 | 841 |
| 36 | 851 |
| 37 | 861 |
| 38 | 871 |
| 39 | 910 |
| 40 | 921 |
| 41 | 931 |
| 42 | 941 |
| 43 | 951 |
| 44 | 961 |
| 45 | 971 |
| 46 | 981 |
| 47 | 3210 |
| 48 | 4210 |
| 49 | 4310 |
| 50 | 4321 |
| 51 | 5210 |
| 52 | 5310 |
| 53 | 5321 |