n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 25 |
5 | 77 |
6 | 257 |
7 | 865 |
8 | 3021 |
9 | 10549 |
10 | 37753 |
11 | 135438 |
12 | 494280 |
13 | 1806200 |
14 | 6678951 |
15 | 24716159 |
16 | 92336889 |
17 | 345207465 |
18 | 1299979995 |
19 | 4897841100 |
20 | 18561069686 |
21 | 70366144206 |
22 | 268059657293 |
23 | 1021470014124 |
24 | 3908025765480 |
25 | 14955232173032 |
26 | 57425244146832 |
27 | 220542549019640 |
28 | 849474612586124 |
29 | 3272448053938140 |
[1,1,3,8,25,77,257,865,3021,10549,37753,135438, 494280,1806200,6678951,24716159,92336889, 345207465,1299979995,4897841100,18561069686, 70366144206,268059657293,1021470014124, 3908025765480,14955232173032,57425244146832, 220542549019640,849474612586124,3272448053938140] |