n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 7 |
3 | 23 |
4 | 88 |
5 | 363 |
6 | 1576 |
7 | 7091 |
8 | 32768 |
9 | 154588 |
10 | 741442 |
11 | 3604495 |
12 | 17721394 |
13 | 87960004 |
14 | 440165522 |
15 | 2218289051 |
16 | 11248850578 |
17 | 57354875692 |
18 | 293860786178 |
19 | 1512169500356 |
20 | 7811933144432 |
21 | 40499933496818 |
22 | 210643657689644 |
23 | 1098802033533295 |
24 | 5747266778089846 |
[1,3,7,23,88,363,1576,7091,32768,154588,741442, 3604495,17721394,87960004,440165522,2218289051, 11248850578,57354875692,293860786178, 1512169500356,7811933144432,40499933496818, 210643657689644,1098802033533295,5747266778089846] |