n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 8 |
4 | 11 |
5 | 17 |
6 | 63 |
7 | 180 |
8 | 259 |
9 | 818 |
10 | 2161 |
11 | 4441 |
12 | 8305 |
13 | 11998 |
14 | 694218 |
15 | 3447076 |
16 | 4393603 |
17 | 57402883 |
18 | 73459800 |
19 | 121475393 |
20 | 2068420025 |
21 | 5577330586 |
22 | 13320495021 |
23 | 35297649260 |
24 | 138630178659 |
25 | 988671518737 |
[1,2,8,11,17,63,180,259,818,2161,4441,8305,11998, 694218,3447076,4393603,57402883,73459800, 121475393,2068420025,5577330586,13320495021, 35297649260,138630178659,988671518737] |