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 | 4580009 |
| 2 | 7149902 |
| 3 | 8120618 |
| 4 | 10002309 |
| 5 | 10597386 |
| 6 | 11333337 |
| 7 | 11432756 |
| 8 | 11523546 |
| 9 | 11979986 |
| 10 | 12163356 |
| 11 | 12211768 |
| 12 | 12435067 |
| 13 | 13365800 |
| 14 | 13607716 |
| 15 | 13623296 |
| 16 | 13735746 |
| 17 | 14258240 |
| 18 | 14283555 |
| 19 | 14655652 |
| 20 | 14953474 |
| 21 | 15256089 |
| 22 | 15280497 |
| 23 | 15439405 |
| 24 | 15484096 |
| 25 | 15634915 |
| 26 | 15713217 |
| 27 | 15788008 |
| 28 | 16102082 |
| 29 | 16298842 |
| 30 | 16344160 |
| 31 | 16408551 |
| 32 | 16409633 |
| 33 | 16429113 |
| 34 | 16609090 |
| 35 | 17077745 |
| 36 | 17185900 |
| 37 | 17204608 |
| 38 | 17281267 |
| 39 | 17314996 |
| 40 | 17686525 |
| 41 | 17786822 |
| 42 | 17846853 |
| 43 | 17925417 |
| 44 | 18132365 |
| 45 | 18321773 |
| 46 | 18691881 |
| 47 | 18740435 |
| 48 | 19197304 |
| 49 | 19334290 |
| 50 | 19492181 |
| 51 | 19976597 |
| 52 | 20034275 |
| 53 | 20076671 |
| 54 | 20229660 |
| 55 | 20266189 |
| 56 | 20463382 |
| 57 | 20567041 |
| 58 | 20602671 |
| 59 | 20647876 |
| 60 | 20814650 |
| 61 | 20882660 |
| 62 | 21049227 |
| 63 | 21074845 |
| 64 | 21090890 |