n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 16 |
3 | 53 |
4 | 209 |
5 | 963 |
6 | 4816 |
7 | 25367 |
8 | 138531 |
9 | 777041 |
10 | 4449511 |
11 | 25901655 |
12 | 152818458 |
13 | 911755012 |
14 | 5491420104 |
15 | 33343242196 |
16 | 203881825163 |
17 | 1254342228285 |
18 | 7759025239189 |
19 | 48227078649155 |
20 | 301056318504165 |
21 | 1886647802277315 |
22 | 11864793375611820 |
23 | 74854437302309175 |
[0,0,16,53,209,963,4816,25367,138531,777041, 4449511,25901655,152818458,911755012,5491420104, 33343242196,203881825163,1254342228285, 7759025239189,48227078649155,301056318504165, 1886647802277315,11864793375611820, 74854437302309175] |