n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 33 |
4 | 37 |
5 | 70 |
6 | 457 |
7 | 1441 |
8 | 4780 |
9 | 6221 |
10 | 23443 |
11 | 29664 |
12 | 53107 |
13 | 82771 |
14 | 218649 |
15 | 6642241 |
16 | 13503131 |
17 | 20145372 |
18 | 33648503 |
19 | 53793875 |
20 | 195030128 |
21 | 248824003 |
22 | 941502137 |
23 | 3073330414 |
24 | 19381484621 |
25 | 22454815035 |
26 | 41836299656 |
27 | 357145212283 |
28 | 1113271936505 |
29 | 1470417148788 |
[1,1,4,33,37,70,457,1441,4780,6221,23443,29664, 53107,82771,218649,6642241,13503131,20145372, 33648503,53793875,195030128,248824003,941502137, 3073330414,19381484621,22454815035,41836299656, 357145212283,1113271936505,1470417148788] |