n | a(n) |
---|---|
1 | 1 |
2 | 13 |
3 | 92 |
4 | 473 |
5 | 1982 |
6 | 7191 |
7 | 23431 |
8 | 70234 |
9 | 196941 |
10 | 522939 |
11 | 1327002 |
12 | 3240917 |
13 | 7660538 |
14 | 17602967 |
15 | 39466363 |
16 | 86593478 |
17 | 186399956 |
18 | 394478234 |
19 | 822229746 |
20 | 1690521204 |
21 | 3433033150 |
22 | 6893852746 |
23 | 13702694284 |
24 | 26982983126 |
25 | 52680389239 |
[1,13,92,473,1982,7191,23431,70234,196941,522939, 1327002,3240917,7660538,17602967,39466363, 86593478,186399956,394478234,822229746,1690521204, 3433033150,6893852746,13702694284,26982983126, 52680389239] |