n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 11 |
5 | 26 |
6 | 68 |
7 | 177 |
8 | 497 |
9 | 1476 |
10 | 4613 |
11 | 15216 |
12 | 52944 |
13 | 193367 |
14 | 740226 |
15 | 2960520 |
16 | 12334829 |
17 | 53394755 |
18 | 239544624 |
19 | 1111261697 |
20 | 5320103252 |
21 | 26237509076 |
22 | 133087001869 |
23 | 693339241737 |
24 | 3705135967663 |
25 | 20286965943329 |
26 | 113694201046379 |
27 | 651571521170323 |
28 | 3815204365835840 |
29 | 22806847476040913 |
30 | 139088381010541237 |
31 | 864777487052916454 |
[1,1,2,5,11,26,68,177,497,1476,4613,15216,52944, 193367,740226,2960520,12334829,53394755,239544624, 1111261697,5320103252,26237509076,133087001869, 693339241737,3705135967663,20286965943329, 113694201046379,651571521170323,3815204365835840, 22806847476040913,139088381010541237, 864777487052916454] |