n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 7 |
4 | 26 |
5 | 68 |
6 | 75 |
7 | 236 |
8 | 940 |
9 | 1090 |
10 | 1105 |
11 | 2752 |
12 | 16645 |
13 | 20360 |
14 | 20790 |
15 | 20821 |
16 | 39208 |
17 | 360081 |
18 | 464111 |
19 | 477242 |
20 | 478376 |
21 | 478439 |
22 | 660032 |
23 | 9202170 |
24 | 12492277 |
25 | 12933423 |
26 | 12974826 |
27 | 12977688 |
28 | 12977815 |
[1,4,7,26,68,75,236,940,1090,1105,2752,16645, 20360,20790,20821,39208,360081,464111,477242, 478376,478439,660032,9202170,12492277,12933423, 12974826,12977688,12977815] |