n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 4 |
4 | 12 |
5 | 18 |
6 | 51 |
7 | 81 |
8 | 220 |
9 | 361 |
10 | 952 |
11 | 1595 |
12 | 4118 |
13 | 6999 |
14 | 17787 |
15 | 30548 |
16 | 76696 |
17 | 132766 |
18 | 330148 |
19 | 575054 |
20 | 1418946 |
21 | 2483812 |
22 | 6089912 |
23 | 10703456 |
24 | 26104178 |
25 | 46034722 |
26 | 111769554 |
27 | 197665364 |
28 | 478085534 |
29 | 847542518 |
30 | 2043167075 |
[1,1,3,4,12,18,51,81,220,361,952,1595,4118,6999, 17787,30548,76696,132766,330148,575054,1418946, 2483812,6089912,10703456,26104178,46034722, 111769554,197665364,478085534,847542518, 2043167075] |