n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 10 |
5 | 22 |
6 | 65 |
7 | 152 |
8 | 509 |
9 | 1466 |
10 | 4645 |
11 | 13532 |
12 | 44434 |
13 | 146454 |
14 | 483958 |
15 | 1573257 |
16 | 5245446 |
17 | 18189431 |
18 | 62918036 |
19 | 215842095 |
20 | 743114400 |
21 | 2625979396 |
22 | 9395162641 |
23 | 33370716692 |
24 | 118291958507 |
25 | 424227452507 |
26 | 1546163643295 |
27 | 5636678152183 |
28 | 20454730175647 |
29 | 74489593325489 |
30 | 274498234923989 |
31 | 1018318442708743 |
[1,1,2,3,10,22,65,152,509,1466,4645,13532,44434, 146454,483958,1573257,5245446,18189431,62918036, 215842095,743114400,2625979396,9395162641, 33370716692,118291958507,424227452507, 1546163643295,5636678152183,20454730175647, 74489593325489,274498234923989,1018318442708743] |