n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 11 |
4 | 21 |
5 | 31 |
6 | 141 |
7 | 351 |
8 | 661 |
9 | 2071 |
10 | 5581 |
11 | 12191 |
12 | 32901 |
13 | 88711 |
14 | 210621 |
15 | 539631 |
16 | 1426741 |
17 | 3532951 |
18 | 8929261 |
19 | 23196671 |
20 | 58526181 |
21 | 147818791 |
22 | 379785501 |
23 | 965047311 |
24 | 2443235221 |
25 | 6241090231 |
26 | 15891563341 |
27 | 40323915551 |
28 | 102734817861 |
[1,1,1,11,21,31,141,351,661,2071,5581,12191,32901, 88711,210621,539631,1426741,3532951,8929261, 23196671,58526181,147818791,379785501,965047311, 2443235221,6241090231,15891563341,40323915551, 102734817861] |