n | a(n) |
---|---|
1 | 16 |
2 | 47 |
3 | 125 |
4 | 335 |
5 | 907 |
6 | 2470 |
7 | 6740 |
8 | 18406 |
9 | 50278 |
10 | 137354 |
11 | 375250 |
12 | 1025194 |
13 | 2800874 |
14 | 7652122 |
15 | 20905978 |
16 | 57116186 |
17 | 156044314 |
18 | 426320986 |
19 | 1164730586 |
20 | 3182103130 |
21 | 8693667418 |
22 | 23751541082 |
23 | 64890416986 |
24 | 177283916122 |
25 | 484348666202 |
[16,47,125,335,907,2470,6740,18406,50278,137354, 375250,1025194,2800874,7652122,20905978,57116186, 156044314,426320986,1164730586,3182103130, 8693667418,23751541082,64890416986,177283916122, 484348666202] |