n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 24 |
3 | 79 |
4 | 232 |
5 | 632 |
6 | 1633 |
7 | 4058 |
8 | 9788 |
9 | 23063 |
10 | 53332 |
11 | 121452 |
12 | 273089 |
13 | 607534 |
14 | 1339376 |
15 | 2929951 |
16 | 6366480 |
17 | 13752880 |
18 | 29556545 |
19 | 63232370 |
20 | 134731956 |
21 | 286044711 |
22 | 605326044 |
23 | 1277246724 |
24 | 2687879137 |
25 | 5642847462 |
26 | 11820387528 |
27 | 24710992303 |
[1,6,24,79,232,632,1633,4058,9788,23063,53332, 121452,273089,607534,1339376,2929951,6366480, 13752880,29556545,63232370,134731956,286044711, 605326044,1277246724,2687879137,5642847462, 11820387528,24710992303] |