n | a(n) |
---|---|
0 | 1 |
1 | 23 |
2 | 149 |
3 | 987 |
4 | 6589 |
5 | 44191 |
6 | 297261 |
7 | 2003755 |
8 | 13527217 |
9 | 91424701 |
10 | 618430417 |
11 | 4186027957 |
12 | 28348547453 |
13 | 192055244309 |
14 | 1301515597555 |
15 | 8822073211457 |
16 | 59809085903049 |
17 | 405528485035889 |
18 | 2749918380375081 |
19 | 18648854413662219 |
[1,23,149,987,6589,44191,297261,2003755,13527217, 91424701,618430417,4186027957,28348547453, 192055244309,1301515597555,8822073211457, 59809085903049,405528485035889,2749918380375081, 18648854413662219] |