n | a(n) |
---|---|
1 | 5 |
2 | 12 |
3 | 79 |
4 | 423 |
5 | 1751 |
6 | 6546 |
7 | 22970 |
8 | 76311 |
9 | 240506 |
10 | 721669 |
11 | 2070006 |
12 | 5692328 |
13 | 15039421 |
14 | 38255848 |
15 | 93891578 |
16 | 222815518 |
17 | 512310486 |
18 | 1143423966 |
19 | 2481561322 |
20 | 5245536144 |
21 | 10815752321 |
22 | 21783909864 |
23 | 42913710064 |
24 | 82788030040 |
25 | 156582776591 |
[5,12,79,423,1751,6546,22970,76311,240506,721669, 2070006,5692328,15039421,38255848,93891578, 222815518,512310486,1143423966,2481561322, 5245536144,10815752321,21783909864,42913710064, 82788030040,156582776591] |