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 | 531 |
| 2 | 541 |
| 3 | 1053 |
| 4 | 1054 |
| 5 | 2571 |
| 6 | 3051 |
| 7 | 3061 |
| 8 | 3071 |
| 9 | 3105 |
| 10 | 3106 |
| 11 | 3107 |
| 12 | 3157 |
| 13 | 3551 |
| 14 | 3561 |
| 15 | 3571 |
| 16 | 3581 |
| 17 | 3591 |
| 18 | 4051 |
| 19 | 4061 |
| 20 | 4071 |
| 21 | 4081 |
| 22 | 4091 |
| 23 | 4105 |
| 24 | 4106 |
| 25 | 4107 |
| 26 | 4108 |
| 27 | 4109 |
| 28 | 4155 |
| 29 | 4156 |
| 30 | 4157 |
| 31 | 4158 |
| 32 | 4159 |
| 33 | 4551 |
| 34 | 4561 |
| 35 | 4571 |
| 36 | 4581 |
| 37 | 4591 |
| 38 | 5031 |
| 39 | 5041 |
| 40 | 5103 |
| 41 | 5104 |
| 42 | 5128 |
| 43 | 5129 |
| 44 | 5153 |
| 45 | 5154 |