n | a(n) |
---|---|
0 | 1 |
1 | 9 |
2 | 26 |
3 | 62 |
4 | 138 |
5 | 298 |
6 | 634 |
7 | 1338 |
8 | 2810 |
9 | 5882 |
10 | 12282 |
11 | 25594 |
12 | 53242 |
13 | 110586 |
14 | 229370 |
15 | 475130 |
16 | 983034 |
17 | 2031610 |
18 | 4194298 |
19 | 8650746 |
20 | 17825786 |
21 | 36700154 |
22 | 75497466 |
23 | 155189242 |
24 | 318767098 |
25 | 654311418 |
26 | 1342177274 |
27 | 2751463418 |
28 | 5637144570 |
29 | 11542724602 |
30 | 23622320122 |
[1,9,26,62,138,298,634,1338,2810,5882,12282,25594, 53242,110586,229370,475130,983034,2031610,4194298, 8650746,17825786,36700154,75497466,155189242, 318767098,654311418,1342177274,2751463418, 5637144570,11542724602,23622320122] |