n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 28 |
4 | 113 |
5 | 455 |
6 | 1820 |
7 | 7281 |
8 | 29127 |
9 | 116508 |
10 | 466033 |
11 | 1864135 |
12 | 7456540 |
13 | 29826161 |
14 | 119304647 |
15 | 477218588 |
16 | 1908874353 |
17 | 7635497415 |
18 | 30541989660 |
19 | 122167958641 |
20 | 488671834567 |
21 | 1954687338268 |
22 | 7818749353073 |
23 | 31274997412295 |
[1,7,28,113,455,1820,7281,29127,116508,466033, 1864135,7456540,29826161,119304647,477218588, 1908874353,7635497415,30541989660,122167958641, 488671834567,1954687338268,7818749353073, 31274997412295] |