n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 2 |
4 | 4 |
5 | 6 |
6 | 14 |
7 | 34 |
8 | 72 |
9 | 154 |
10 | 346 |
11 | 774 |
12 | 1714 |
13 | 3822 |
14 | 8574 |
15 | 19238 |
16 | 43204 |
17 | 97254 |
18 | 219286 |
19 | 494962 |
20 | 1118502 |
21 | 2530522 |
22 | 5730762 |
23 | 12989634 |
24 | 29467718 |
25 | 66901378 |
26 | 151996338 |
27 | 345556218 |
28 | 786092266 |
29 | 1789284762 |
30 | 4074927962 |
31 | 9284968682 |
32 | 21166439112 |
33 | 48273612954 |
34 | 110142596298 |
[1,0,0,2,4,6,14,34,72,154,346,774,1714,3822,8574, 19238,43204,97254,219286,494962,1118502,2530522, 5730762,12989634,29467718,66901378,151996338, 345556218,786092266,1789284762,4074927962, 9284968682,21166439112,48273612954,110142596298] |