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 | 0 |
| 2 | 11 |
| 3 | 100 |
| 4 | 101 |
| 5 | 103 |
| 6 | 110 |
| 7 | 114 |
| 8 | 120 |
| 9 | 201 |
| 10 | 210 |
| 11 | 1000 |
| 12 | 1003 |
| 13 | 1007 |
| 14 | 1008 |
| 15 | 1020 |
| 16 | 1029 |
| 17 | 1030 |
| 18 | 1040 |
| 19 | 1047 |
| 20 | 1048 |
| 21 | 1082 |
| 22 | 1208 |
| 23 | 1280 |
| 24 | 1802 |
| 25 | 1820 |
| 26 | 2018 |
| 27 | 2081 |
| 28 | 2108 |
| 29 | 2180 |
| 30 | 2801 |
| 31 | 2810 |
| 32 | 8012 |
| 33 | 8021 |
| 34 | 8102 |
| 35 | 8120 |
| 36 | 8201 |
| 37 | 8210 |
| 38 | 10002 |
| 39 | 10004 |
| 40 | 10007 |
| 41 | 10020 |
| 42 | 10060 |
| 43 | 10080 |
| 44 | 10081 |
| 45 | 10100 |
| 46 | 10105 |
| 47 | 10113 |
| 48 | 10304 |
| 49 | 10502 |
| 50 | 10520 |
| 51 | 11125 |
| 52 | 11152 |
| 53 | 11215 |
| 54 | 11251 |
| 55 | 11512 |
| 56 | 11521 |
| 57 | 12005 |
| 58 | 12050 |
| 59 | 12115 |
| 60 | 12151 |