n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 5 |
4 | 32 |
5 | 131 |
6 | 661 |
7 | 1327 |
8 | 18608 |
9 | 148969 |
10 | 447047 |
11 | 89422 |
12 | 1967410 |
13 | 7869871 |
14 | 102309709 |
15 | 204620705 |
16 | 2046213056 |
17 | 32739453941 |
18 | 556571077357 |
19 | 556571247527 |
20 | 10574855234543 |
21 | 42299423848079 |
22 | 42299425233749 |
23 | 84598851790183 |
[0,2,5,32,131,661,1327,18608,148969,447047,89422, 1967410,7869871,102309709,204620705,2046213056, 32739453941,556571077357,556571247527, 10574855234543,42299423848079,42299425233749, 84598851790183] |