n | a(n) |
---|---|
0 | 2 |
1 | 4 |
2 | 7 |
3 | 13 |
4 | 23 |
5 | 42 |
6 | 75 |
7 | 136 |
8 | 244 |
9 | 441 |
10 | 793 |
11 | 1431 |
12 | 2576 |
13 | 4645 |
14 | 8366 |
15 | 15080 |
16 | 27167 |
17 | 48961 |
18 | 88215 |
19 | 158970 |
20 | 286439 |
21 | 516164 |
22 | 930072 |
23 | 1675961 |
24 | 3019941 |
25 | 5441791 |
26 | 9805712 |
27 | 17669353 |
28 | 31838986 |
29 | 57371980 |
30 | 103380599 |
31 | 186285573 |
32 | 335674791 |
33 | 604865338 |
34 | 1089929347 |
[2,4,7,13,23,42,75,136,244,441,793,1431,2576,4645, 8366,15080,27167,48961,88215,158970,286439,516164, 930072,1675961,3019941,5441791,9805712,17669353, 31838986,57371980,103380599,186285573,335674791, 604865338,1089929347] |