n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 10 |
3 | 21 |
4 | 41 |
5 | 78 |
6 | 145 |
7 | 266 |
8 | 485 |
9 | 882 |
10 | 1601 |
11 | 2902 |
12 | 5256 |
13 | 9516 |
14 | 17226 |
15 | 31180 |
16 | 56435 |
17 | 102143 |
18 | 184868 |
19 | 334588 |
20 | 605559 |
21 | 1095976 |
22 | 1983558 |
23 | 3589950 |
24 | 6497282 |
25 | 11759123 |
26 | 21282277 |
27 | 38517777 |
28 | 69711482 |
29 | 126167473 |
30 | 228344464 |
31 | 413269701 |
32 | 747957021 |
33 | 1353691555 |
34 | 2449981446 |
[1,4,10,21,41,78,145,266,485,882,1601,2902,5256, 9516,17226,31180,56435,102143,184868,334588, 605559,1095976,1983558,3589950,6497282,11759123, 21282277,38517777,69711482,126167473,228344464, 413269701,747957021,1353691555,2449981446] |