n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 60 |
5 | 417 |
6 | 3430 |
7 | 29927 |
8 | 278316 |
9 | 2693437 |
10 | 26976407 |
11 | 277394148 |
12 | 2916106328 |
13 | 31220964707 |
14 | 339508802940 |
15 | 3741551907530 |
16 | 41714692453164 |
17 | 469827584596185 |
18 | 5339334757945439 |
19 | 61165396353689573 |
20 | 705720529604453193 |
21 | 8195208178337460065 |
22 | 95724512701573485819 |
23 | 1124070800784913396731 |
[1,1,3,9,60,417,3430,29927,278316,2693437, 26976407,277394148,2916106328,31220964707, 339508802940,3741551907530,41714692453164, 469827584596185,5339334757945439, 61165396353689573,705720529604453193, 8195208178337460065,95724512701573485819, 1124070800784913396731] |