n | a(n) |
---|---|
1 | 1 |
2 | 30 |
3 | 59 |
4 | 237 |
5 | 698 |
6 | 2346 |
7 | 7452 |
8 | 24308 |
9 | 78328 |
10 | 253992 |
11 | 820976 |
12 | 2658384 |
13 | 8599520 |
14 | 27834528 |
15 | 90062784 |
16 | 291471680 |
17 | 943177600 |
18 | 3052274304 |
19 | 9877192448 |
20 | 31963612416 |
21 | 103435730432 |
22 | 334726433280 |
23 | 1083194735616 |
24 | 3505297298432 |
[1,30,59,237,698,2346,7452,24308,78328,253992, 820976,2658384,8599520,27834528,90062784, 291471680,943177600,3052274304,9877192448, 31963612416,103435730432,334726433280, 1083194735616,3505297298432] |