n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 7 |
3 | 23 |
4 | 87 |
5 | 599 |
6 | 1623 |
7 | 3671 |
8 | 7767 |
9 | 15959 |
10 | 81495 |
11 | 343639 |
12 | 867927 |
13 | 1916503 |
14 | 18693719 |
15 | 152911447 |
16 | 421346903 |
17 | 958217815 |
18 | 2031959639 |
19 | 4179443287 |
20 | 12769377879 |
21 | 1112281005655 |
22 | 9908374027863 |
23 | 27500560072279 |
24 | 97869304249943 |
[1,3,7,23,87,599,1623,3671,7767,15959,81495, 343639,867927,1916503,18693719,152911447, 421346903,958217815,2031959639,4179443287, 12769377879,1112281005655,9908374027863, 27500560072279,97869304249943] |