n | a(n) |
---|---|
1 | 3 |
2 | 6 |
3 | 9 |
4 | 25 |
5 | 60 |
6 | 160 |
7 | 396 |
8 | 996 |
9 | 2480 |
10 | 6213 |
11 | 15537 |
12 | 38935 |
13 | 97574 |
14 | 244521 |
15 | 612350 |
16 | 1533665 |
17 | 3841552 |
18 | 9623474 |
19 | 24106566 |
20 | 60386058 |
21 | 151263372 |
22 | 378906980 |
23 | 949140173 |
24 | 2377551381 |
25 | 5955661956 |
26 | 14918670478 |
27 | 37370561312 |
28 | 93611479464 |
29 | 234492365157 |
[3,6,9,25,60,160,396,996,2480,6213,15537,38935, 97574,244521,612350,1533665,3841552,9623474, 24106566,60386058,151263372,378906980,949140173, 2377551381,5955661956,14918670478,37370561312, 93611479464,234492365157] |