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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 7 |
| 5 | 1 |
| 6 | 31 |
| 7 | 1 |
| 8 | 31 |
| 9 | 13 |
| 10 | 57 |
| 11 | 1 |
| 12 | 163 |
| 13 | 1 |
| 14 | 91 |
| 15 | 73 |
| 16 | 127 |
| 17 | 1 |
| 18 | 307 |
| 19 | 1 |
| 20 | 321 |
| 21 | 111 |
| 22 | 183 |
| 23 | 1 |
| 24 | 691 |
| 25 | 31 |
| 26 | 241 |
| 27 | 121 |
| 28 | 535 |
| 29 | 1 |
| 30 | 1261 |
| 31 | 1 |
| 32 | 511 |
| 33 | 211 |
| 34 | 381 |
| 35 | 157 |
| 36 | 1591 |
| 37 | 1 |
| 38 | 463 |
| 39 | 273 |
| 40 | 1377 |
| 41 | 1 |
| 42 | 2163 |
| 43 | 1 |
| 44 | 1131 |
| 45 | 781 |
| 46 | 651 |
| 47 | 1 |
| 48 | 2803 |
| 49 | 57 |
| 50 | 1467 |
| 51 | 421 |
| 52 | 1513 |
| 53 | 1 |
| 54 | 2791 |
| 55 | 273 |
| 56 | 2311 |
| 57 | 507 |
| 58 | 993 |
| 59 | 1 |
| 60 | 6253 |
| 61 | 1 |
| 62 | 1123 |
| 63 | 1227 |
| 64 | 2047 |
| 65 | 343 |
| 66 | 4711 |
| 67 | 1 |
| 68 | 2445 |
| 69 | 703 |