The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 3 | 308 |
| 4 | 3030 |
| 5 | 29757 |
| 6 | 294327 |
| 7 | 2911142 |
| 8 | 28814940 |
| 9 | 285214743 |
| 10 | 2823311133 |
| 11 | 27947663768 |
| 12 | 276653115090 |
| 13 | 2738581182417 |
| 14 | 27109156615827 |
| 15 | 268352962161482 |
| 16 | 2656420444277880 |
| 17 | 26295851254778283 |
| 18 | 260302091898387033 |
| 19 | 2576725065493516028 |
| 20 | 25506948561006315150 |
[308,3030,29757,294327,2911142,28814940,285214743, 2823311133,27947663768,276653115090,2738581182417, 27109156615827,268352962161482,2656420444277880, 26295851254778283,260302091898387033, 2576725065493516028,25506948561006315150] |