n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 24 |
5 | 88 |
6 | 254 |
7 | 1064 |
8 | 1644 |
9 | 3382 |
10 | 4156 |
11 | 8022 |
12 | 26264 |
13 | 52012 |
14 | 25434 |
15 | 8506 |
16 | 5632 |
17 | 6224 |
18 | 12330 |
19 | 34224 |
20 | 108854 |
21 | 103156 |
22 | 75992 |
23 | 86560 |
24 | 69084 |
[1,1,3,9,24,88,254,1064,1644,3382,4156,8022,26264, 52012,25434,8506,5632,6224,12330,34224,108854, 103156,75992,86560,69084] |