n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 20 |
3 | 381 |
4 | 7240 |
5 | 137561 |
6 | 2613660 |
7 | 49659541 |
8 | 943531280 |
9 | 17927094321 |
10 | 340614792100 |
11 | 6471681049901 |
12 | 122961939948120 |
13 | 2336276859014281 |
14 | 44389260321271340 |
15 | 843395946104155461 |
16 | 16024522975978953760 |
17 | 304465936543600121441 |
[0,1,20,381,7240,137561,2613660,49659541, 943531280,17927094321,340614792100,6471681049901, 122961939948120,2336276859014281, 44389260321271340,843395946104155461, 16024522975978953760,304465936543600121441] |