n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 25 |
3 | 67 |
4 | 157 |
5 | 343 |
6 | 721 |
7 | 1483 |
8 | 3013 |
9 | 6079 |
10 | 12217 |
11 | 24499 |
12 | 49069 |
13 | 98215 |
14 | 196513 |
15 | 393115 |
16 | 786325 |
17 | 1572751 |
18 | 3145609 |
19 | 6291331 |
20 | 12582781 |
21 | 25165687 |
22 | 50331505 |
23 | 100663147 |
24 | 201326437 |
25 | 402653023 |
26 | 805306201 |
27 | 1610612563 |
28 | 3221225293 |
29 | 6442450759 |
30 | 12884901697 |
[1,7,25,67,157,343,721,1483,3013,6079,12217,24499, 49069,98215,196513,393115,786325,1572751,3145609, 6291331,12582781,25165687,50331505,100663147, 201326437,402653023,805306201,1610612563, 3221225293,6442450759,12884901697] |