n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 20 |
6 | 48 |
7 | 104 |
8 | 282 |
9 | 496 |
10 | 1066 |
11 | 2460 |
12 | 6128 |
13 | 12840 |
14 | 29380 |
15 | 74904 |
16 | 212728 |
17 | 368016 |
18 | 659296 |
19 | 1371056 |
20 | 2937136 |
21 | 6637232 |
22 | 15616616 |
23 | 38431556 |
24 | 96547832 |
25 | 198410168 |
26 | 419141312 |
27 | 941812088 |
28 | 2181990978 |
29 | 5624657008 |
30 | 14765405996 |
31 | 41918682488 |
32 | 121728075232 |
[1,1,2,4,10,20,48,104,282,496,1066,2460,6128, 12840,29380,74904,212728,368016,659296,1371056, 2937136,6637232,15616616,38431556,96547832, 198410168,419141312,941812088,2181990978, 5624657008,14765405996,41918682488,121728075232] |