n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 7 |
4 | 34 |
5 | 73 |
6 | 349 |
7 | 817 |
8 | 4042 |
9 | 10069 |
10 | 49507 |
11 | 127873 |
12 | 636262 |
13 | 1693573 |
14 | 8402032 |
15 | 22820875 |
16 | 113817454 |
17 | 314673517 |
18 | 1566987739 |
19 | 4389038017 |
20 | 21914474266 |
21 | 62104354621 |
22 | 309818244166 |
23 | 886054108339 |
24 | 4426647223768 |
25 | 12765629703193 |
26 | 63743452057729 |
27 | 185072828494417 |
28 | 924906132097252 |
29 | 2702137210824097 |
[1,1,4,7,34,73,349,817,4042,10069,49507,127873, 636262,1693573,8402032,22820875,113817454, 314673517,1566987739,4389038017,21914474266, 62104354621,309818244166,886054108339, 4426647223768,12765629703193,63743452057729, 185072828494417,924906132097252,2702137210824097] |