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) |
|---|---|
| 45 | 223092870 |
| 46 | 281291010 |
| 47 | 641200560 |
| 48 | 1103452350 |
| 49 | 2195564910 |
| 50 | 3564916950 |
| 51 | 6783216270 |
| 52 | 11130902406 |
| 53 | 20071816324 |
| 54 | 33727230365 |
| 55 | 53845325737 |
| 56 | 85802963866 |
| 57 | 137813486551 |
| 58 | 211362471237 |
| 59 | 328671594863 |
| 60 | 499826194085 |
| 61 | 762249961621 |
| 62 | 1134280917570 |
| 63 | 1705626051462 |
| 64 | 2476880995049 |