n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 23 |
3 | 55 |
4 | 123 |
5 | 267 |
6 | 571 |
7 | 1211 |
8 | 2555 |
9 | 5371 |
10 | 11259 |
11 | 23547 |
12 | 49147 |
13 | 102395 |
14 | 212987 |
15 | 442363 |
16 | 917499 |
17 | 1900539 |
18 | 3932155 |
19 | 8126459 |
20 | 16777211 |
21 | 34603003 |
22 | 71303163 |
23 | 146800635 |
24 | 301989883 |
25 | 620756987 |
26 | 1275068411 |
27 | 2617245691 |
[1,8,23,55,123,267,571,1211,2555,5371,11259,23547, 49147,102395,212987,442363,917499,1900539,3932155, 8126459,16777211,34603003,71303163,146800635, 301989883,620756987,1275068411,2617245691] |