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 | 1119 |
| 2 | 1129 |
| 3 | 1139 |
| 4 | 1149 |
| 5 | 1159 |
| 6 | 1169 |
| 7 | 1179 |
| 8 | 1189 |
| 9 | 1190 |
| 10 | 1191 |
| 11 | 1192 |
| 12 | 1193 |
| 13 | 1194 |
| 14 | 1195 |
| 15 | 1196 |
| 16 | 1197 |
| 17 | 1198 |
| 18 | 1199 |
| 19 | 1229 |
| 20 | 1239 |
| 21 | 1249 |
| 22 | 1259 |
| 23 | 1269 |
| 24 | 1279 |
| 25 | 1289 |
| 26 | 1290 |
| 27 | 1291 |
| 28 | 1292 |
| 29 | 1293 |
| 30 | 1294 |
| 31 | 1295 |
| 32 | 1296 |
| 33 | 1297 |
| 34 | 1298 |
| 35 | 1299 |
| 36 | 1339 |
| 37 | 1349 |
| 38 | 1359 |
| 39 | 1369 |
| 40 | 1379 |
| 41 | 1389 |
| 42 | 1390 |