n | a(n) |
---|---|
0 | 1 |
1 | 11 |
2 | 49 |
3 | 179 |
4 | 757 |
5 | 3241 |
6 | 14233 |
7 | 63333 |
8 | 284877 |
9 | 1291697 |
10 | 5894119 |
11 | 27031653 |
12 | 124481521 |
13 | 575160311 |
14 | 2664800299 |
15 | 12374329729 |
16 | 57568895517 |
17 | 268238883291 |
18 | 1251429223153 |
19 | 5844466935453 |
20 | 27318547433927 |
21 | 127784523940077 |
[1,11,49,179,757,3241,14233,63333,284877,1291697, 5894119,27031653,124481521,575160311,2664800299, 12374329729,57568895517,268238883291, 1251429223153,5844466935453,27318547433927, 127784523940077] |