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 | 2001 |
| 2 | 2004 |
| 3 | 2007 |
| 4 | 2009 |
| 5 | 2012 |
| 6 | 2015 |
| 7 | 2018 |
| 8 | 2018 |
| 9 | 2020 |
| 10 | 2023 |
| 11 | 2026 |
| 12 | 2028 |
| 13 | 2031 |
| 14 | 2034 |
| 15 | 2037 |
| 16 | 2037 |
| 17 | 2039 |
| 18 | 2042 |
| 19 | 2045 |
| 20 | 2048 |
| 21 | 2050 |
| 22 | 2053 |
| 23 | 2056 |
| 24 | 2058 |
| 25 | 2061 |
| 26 | 2064 |
| 27 | 2066 |
| 28 | 2067 |
| 29 | 2069 |
| 30 | 2072 |
| 31 | 2075 |
| 32 | 2077 |
| 33 | 2080 |
| 34 | 2083 |
| 35 | 2085 |
| 36 | 2088 |
| 37 | 2091 |
| 38 | 2094 |
| 39 | 2094 |
| 40 | 2096 |
| 41 | 2099 |
| 42 | 2102 |