n | a(n) |
---|---|
0 | 0 |
1 | 3 |
2 | 13 |
3 | 47 |
4 | 55 |
5 | 254 |
6 | 767 |
7 | 987 |
8 | 6909 |
9 | 16127 |
10 | 28657 |
11 | 28670 |
12 | 125951 |
13 | 196575 |
14 | 393213 |
15 | 4160255 |
16 | 4177911 |
17 | 25157623 |
18 | 25157631 |
19 | 46137325 |
20 | 67088375 |
21 | 268296191 |
22 | 268434303 |
23 | 268435455 |
[0,3,13,47,55,254,767,987,6909,16127,28657,28670, 125951,196575,393213,4160255,4177911,25157623, 25157631,46137325,67088375,268296191,268434303, 268435455] |