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) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 30 |
| 3 | 87 |
| 4 | 202 |
| 5 | 403 |
| 6 | 726 |
| 7 | 1214 |
| 8 | 1911 |
| 9 | 2874 |
| 10 | 4158 |
| 11 | 5832 |
| 12 | 7968 |
| 13 | 10640 |
| 14 | 13933 |
| 15 | 17937 |
| 16 | 22747 |
| 17 | 28464 |
| 18 | 35195 |
| 19 | 43054 |
| 20 | 52162 |
| 21 | 62644 |
| 22 | 74630 |
| 23 | 88257 |
| 24 | 103671 |
| 25 | 121020 |
| 26 | 140462 |
| 27 | 162155 |
| 28 | 186267 |
| 29 | 212973 |
| 30 | 242453 |
| 31 | 274894 |
| 32 | 310483 |
| 33 | 349420 |
| 34 | 391909 |
| 35 | 438161 |
| 36 | 488388 |
| 37 | 542814 |
| 38 | 601667 |
| 39 | 665181 |
| 40 | 733594 |
| 41 | 807154 |
| 42 | 886109 |
| 43 | 970720 |
| 44 | 1061252 |
| 45 | 1157972 |
| 46 | 1261156 |
| 47 | 1371084 |
| 48 | 1488047 |
| 49 | 1612341 |