n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 8 |
4 | 23 |
5 | 75 |
6 | 277 |
7 | 1132 |
8 | 4977 |
9 | 22979 |
10 | 109451 |
11 | 531456 |
12 | 2610931 |
13 | 12917683 |
14 | 64181625 |
15 | 319695980 |
16 | 1594859885 |
17 | 7963472187 |
18 | 39784944799 |
19 | 198827606704 |
20 | 993846943839 |
21 | 4968361974491 |
22 | 24839192686973 |
23 | 124188113975628 |
[1,3,8,23,75,277,1132,4977,22979,109451,531456, 2610931,12917683,64181625,319695980,1594859885, 7963472187,39784944799,198827606704,993846943839, 4968361974491,24839192686973,124188113975628] |