n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 28 |
4 | 115 |
5 | 497 |
6 | 2086 |
7 | 9091 |
8 | 40575 |
9 | 172996 |
10 | 760155 |
11 | 3348129 |
12 | 14520438 |
13 | 63606819 |
14 | 278902951 |
15 | 1216232548 |
16 | 5321761651 |
17 | 23294489377 |
18 | 101772095142 |
19 | 445140686771 |
20 | 1947282645119 |
21 | 8512898474820 |
22 | 37229821964539 |
23 | 162827989419377 |
[1,7,28,115,497,2086,9091,40575,172996,760155, 3348129,14520438,63606819,278902951,1216232548, 5321761651,23294489377,101772095142,445140686771, 1947282645119,8512898474820,37229821964539, 162827989419377] |