n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 4 |
4 | 7 |
5 | 15 |
6 | 26 |
7 | 31 |
8 | 43 |
9 | 98 |
10 | 117 |
11 | 140 |
12 | 215 |
13 | 540 |
14 | 1945 |
15 | 22279 |
16 | 38459 |
17 | 39461 |
18 | 66869 |
19 | 69328 |
20 | 4047994 |
21 | 4615259 |
22 | 5617480 |
23 | 5898979 |
24 | 9685120 |
25 | 9751023 |
[2,3,4,7,15,26,31,43,98,117,140,215,540,1945, 22279,38459,39461,66869,69328,4047994,4615259, 5617480,5898979,9685120,9751023] |