n | a(n) |
---|---|
3 | 26 |
4 | 58 |
5 | 182 |
6 | 540 |
7 | 1290 |
8 | 3690 |
9 | 10160 |
10 | 28786 |
11 | 80841 |
12 | 223888 |
13 | 624613 |
14 | 1743972 |
15 | 4865441 |
16 | 13595466 |
17 | 37944869 |
18 | 105893100 |
19 | 295608956 |
20 | 825144438 |
21 | 2303387028 |
22 | 6429909987 |
23 | 17948364550 |
24 | 50101571688 |
25 | 139855118057 |
26 | 390395847523 |
27 | 1089765919988 |
28 | 3042007560076 |
29 | 8491555206270 |
[26,58,182,540,1290,3690,10160,28786,80841,223888, 624613,1743972,4865441,13595466,37944869, 105893100,295608956,825144438,2303387028, 6429909987,17948364550,50101571688,139855118057, 390395847523,1089765919988,3042007560076, 8491555206270] |