n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 18 |
3 | 61 |
4 | 182 |
5 | 506 |
6 | 1338 |
7 | 3369 |
8 | 8172 |
9 | 19197 |
10 | 43833 |
11 | 97636 |
12 | 212748 |
13 | 454461 |
14 | 953505 |
15 | 1968095 |
16 | 4001627 |
17 | 8024295 |
18 | 15885484 |
19 | 31074351 |
20 | 60111277 |
21 | 115071431 |
22 | 218126868 |
23 | 409662895 |
24 | 762679151 |
25 | 1408172844 |
26 | 2579599582 |
27 | 4690277001 |
28 | 8467363674 |
29 | 15182486586 |
[1,5,18,61,182,506,1338,3369,8172,19197,43833, 97636,212748,454461,953505,1968095,4001627, 8024295,15885484,31074351,60111277,115071431, 218126868,409662895,762679151,1408172844, 2579599582,4690277001,8467363674,15182486586] |