n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 14 |
6 | 44 |
7 | 152 |
8 | 566 |
9 | 2234 |
10 | 9228 |
11 | 39520 |
12 | 174271 |
13 | 787246 |
14 | 3628992 |
15 | 17019374 |
16 | 81011889 |
17 | 390633382 |
18 | 1905134695 |
19 | 9385453576 |
20 | 46653815395 |
21 | 233788460256 |
22 | 1180111379105 |
23 | 5996452414310 |
24 | 30653752894948 |
[1,0,1,2,5,14,44,152,566,2234,9228,39520,174271, 787246,3628992,17019374,81011889,390633382, 1905134695,9385453576,46653815395,233788460256, 1180111379105,5996452414310,30653752894948] |