n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 19 |
3 | 67 |
4 | 227 |
5 | 751 |
6 | 2445 |
7 | 7869 |
8 | 25107 |
9 | 79567 |
10 | 250793 |
11 | 786985 |
12 | 2460397 |
13 | 7667921 |
14 | 23832931 |
15 | 73902627 |
16 | 228692115 |
17 | 706407903 |
18 | 2178511449 |
19 | 6708684009 |
20 | 20632428249 |
21 | 63380014845 |
22 | 194486530791 |
23 | 596213956023 |
24 | 1826103432573 |
25 | 5588435470401 |
26 | 17089296473655 |
[1,5,19,67,227,751,2445,7869,25107,79567,250793, 786985,2460397,7667921,23832931,73902627, 228692115,706407903,2178511449,6708684009, 20632428249,63380014845,194486530791,596213956023, 1826103432573,5588435470401,17089296473655] |