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 | 11 |
| 2 | 61 |
| 3 | 101 |
| 4 | 131 |
| 5 | 181 |
| 6 | 211 |
| 7 | 421 |
| 8 | 461 |
| 9 | 491 |
| 10 | 541 |
| 11 | 661 |
| 12 | 701 |
| 13 | 821 |
| 14 | 941 |
| 15 | 1061 |
| 16 | 1091 |
| 17 | 1171 |
| 18 | 1291 |
| 19 | 1301 |
| 20 | 1381 |
| 21 | 1451 |
| 22 | 1531 |
| 23 | 1571 |
| 24 | 1621 |
| 25 | 1741 |
| 26 | 1861 |
| 27 | 1901 |
| 28 | 1931 |
| 29 | 2131 |
| 30 | 2141 |
| 31 | 2221 |
| 32 | 2371 |
| 33 | 2531 |
| 34 | 2621 |
| 35 | 2741 |
| 36 | 2851 |
| 37 | 2861 |
| 38 | 3011 |
| 39 | 3371 |
| 40 | 3461 |
| 41 | 3491 |
| 42 | 3571 |
| 43 | 3581 |
| 44 | 3691 |
| 45 | 3701 |
| 46 | 3851 |
| 47 | 3931 |