n | a(n) |
---|---|
0 | 2 |
1 | 5 |
2 | 19 |
3 | 80 |
4 | 343 |
5 | 1475 |
6 | 6346 |
7 | 27305 |
8 | 117487 |
9 | 505520 |
10 | 2175139 |
11 | 9359135 |
12 | 40270258 |
13 | 173273885 |
14 | 745558651 |
15 | 3207971600 |
16 | 13803182047 |
17 | 59391995435 |
18 | 255550431034 |
19 | 1099576168865 |
20 | 4731229551223 |
21 | 20357419249520 |
22 | 87593407593931 |
23 | 376894780221095 |
24 | 1621693678323682 |
[2,5,19,80,343,1475,6346,27305,117487,505520, 2175139,9359135,40270258,173273885,745558651, 3207971600,13803182047,59391995435,255550431034, 1099576168865,4731229551223,20357419249520, 87593407593931,376894780221095,1621693678323682] |