n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 57 |
4 | 245 |
5 | 1005 |
6 | 4063 |
7 | 16327 |
8 | 65435 |
9 | 261965 |
10 | 1048259 |
11 | 4193742 |
12 | 16776218 |
13 | 67107091 |
14 | 268432305 |
15 | 1073736223 |
16 | 4294957340 |
17 | 17179851485 |
18 | 68719445272 |
19 | 274877851009 |
20 | 1099511528337 |
21 | 4398046334325 |
22 | 17592185730143 |
23 | 70368743618958 |
24 | 281474975717403 |
25 | 1125899905076842 |
[1,12,57,245,1005,4063,16327,65435,261965,1048259, 4193742,16776218,67107091,268432305,1073736223, 4294957340,17179851485,68719445272,274877851009, 1099511528337,4398046334325,17592185730143, 70368743618958,281474975717403,1125899905076842] |