n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 16 |
3 | 50 |
4 | 152 |
5 | 452 |
6 | 1331 |
7 | 3897 |
8 | 11378 |
9 | 33186 |
10 | 96791 |
11 | 282461 |
12 | 825013 |
13 | 2412157 |
14 | 7060154 |
15 | 20686324 |
16 | 60673102 |
17 | 178126774 |
18 | 523426827 |
19 | 1539393889 |
20 | 4530901919 |
21 | 13345545959 |
22 | 39335284312 |
23 | 116011722730 |
24 | 342354698603 |
[1,5,16,50,152,452,1331,3897,11378,33186,96791, 282461,825013,2412157,7060154,20686324,60673102, 178126774,523426827,1539393889,4530901919, 13345545959,39335284312,116011722730,342354698603] |