n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 6 |
6 | 19 |
7 | 61 |
8 | 197 |
9 | 637 |
10 | 2060 |
11 | 6662 |
12 | 21545 |
13 | 69677 |
14 | 225337 |
15 | 728745 |
16 | 2356778 |
17 | 7621874 |
18 | 24649315 |
19 | 79716449 |
20 | 257804821 |
21 | 833746693 |
22 | 2696355892 |
23 | 8720076682 |
24 | 28200927617 |
25 | 91202445513 |
26 | 294950796673 |
27 | 953877628705 |
28 | 3084862088210 |
29 | 9976514614558 |
30 | 32264276654339 |
31 | 104343409321397 |
32 | 337448974463477 |
33 | 1091317708583837 |
34 | 3529346452933372 |
35 | 11413987225587534 |
[1,1,1,2,6,19,61,197,637,2060,6662,21545,69677, 225337,728745,2356778,7621874,24649315,79716449, 257804821,833746693,2696355892,8720076682, 28200927617,91202445513,294950796673,953877628705, 3084862088210,9976514614558,32264276654339, 104343409321397,337448974463477,1091317708583837, 3529346452933372,11413987225587534] |