n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 3 |
4 | 14 |
5 | 9 |
6 | 52 |
7 | 31 |
8 | 202 |
9 | 117 |
10 | 800 |
11 | 459 |
12 | 3190 |
13 | 1825 |
14 | 12748 |
15 | 7287 |
16 | 50978 |
17 | 29133 |
18 | 203896 |
19 | 116515 |
20 | 815566 |
21 | 466041 |
22 | 3262244 |
23 | 1864143 |
24 | 13048954 |
25 | 7456549 |
26 | 52195792 |
27 | 29826171 |
28 | 208783142 |
29 | 119304657 |
30 | 835132540 |
31 | 477218599 |
32 | 3340530130 |
33 | 1908874365 |
[1,1,4,3,14,9,52,31,202,117,800,459,3190,1825, 12748,7287,50978,29133,203896,116515,815566, 466041,3262244,1864143,13048954,7456549,52195792, 29826171,208783142,119304657,835132540,477218599, 3340530130,1908874365] |