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 | 21 |
| 3 | 57 |
| 4 | 115 |
| 5 | 133 |
| 6 | 145 |
| 7 | 159 |
| 8 | 371 |
| 9 | 393 |
| 10 | 399 |
| 11 | 515 |
| 12 | 535 |
| 13 | 565 |
| 14 | 667 |
| 15 | 803 |
| 16 | 869 |
| 17 | 917 |
| 18 | 933 |
| 19 | 1007 |
| 20 | 1067 |
| 21 | 1113 |
| 22 | 1963 |
| 23 | 2021 |
| 24 | 2095 |
| 25 | 2157 |
| 26 | 2165 |
| 27 | 2177 |
| 28 | 2249 |
| 29 | 2285 |
| 30 | 2315 |
| 31 | 2363 |
| 32 | 2369 |
| 33 | 2461 |
| 34 | 2489 |
| 35 | 2599 |
| 36 | 2705 |
| 37 | 2751 |
| 38 | 2839 |
| 39 | 2987 |
| 40 | 3021 |
| 41 | 3103 |
| 42 | 3277 |
| 43 | 3335 |
| 44 | 3707 |
| 45 | 3859 |
| 46 | 4331 |
| 47 | 4367 |