n | a(n) |
---|---|
1 | 2 |
2 | 4 |
3 | 9 |
4 | 20 |
5 | 33 |
6 | 76 |
7 | 117 |
8 | 232 |
9 | 398 |
10 | 675 |
11 | 1228 |
12 | 2002 |
13 | 3548 |
14 | 5935 |
15 | 10128 |
16 | 17287 |
17 | 28967 |
18 | 49649 |
19 | 83130 |
20 | 141412 |
21 | 238567 |
22 | 402406 |
23 | 681948 |
24 | 1147552 |
25 | 1943230 |
26 | 3275448 |
27 | 5532679 |
28 | 9343794 |
29 | 15759620 |
30 | 26629572 |
31 | 44915334 |
32 | 75854561 |
33 | 128021118 |
34 | 216075045 |
[2,4,9,20,33,76,117,232,398,675,1228,2002,3548, 5935,10128,17287,28967,49649,83130,141412,238567, 402406,681948,1147552,1943230,3275448,5532679, 9343794,15759620,26629572,44915334,75854561, 128021118,216075045] |