n | a(n) |
---|---|
3 | 0 |
4 | 2 |
5 | 2 |
6 | 2 |
7 | 11 |
8 | 14 |
9 | 40 |
10 | 95 |
11 | 219 |
12 | 533 |
13 | 1345 |
14 | 3069 |
15 | 7761 |
16 | 20001 |
17 | 49779 |
18 | 130008 |
19 | 334948 |
20 | 860761 |
21 | 2238582 |
22 | 5814567 |
23 | 15150352 |
24 | 39701964 |
25 | 104297006 |
26 | 274773655 |
27 | 726702936 |
28 | 1925437370 |
29 | 5114308676 |
30 | 13616020075 |
31 | 36311313036 |
[0,2,2,2,11,14,40,95,219,533,1345,3069,7761,20001, 49779,130008,334948,860761,2238582,5814567, 15150352,39701964,104297006,274773655,726702936, 1925437370,5114308676,13616020075,36311313036] |