n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 10 |
3 | 23 |
4 | 53 |
5 | 123 |
6 | 286 |
7 | 665 |
8 | 1546 |
9 | 3594 |
10 | 8355 |
11 | 19423 |
12 | 45153 |
13 | 104968 |
14 | 244021 |
15 | 567280 |
16 | 1318766 |
17 | 3065759 |
18 | 7127025 |
19 | 16568323 |
20 | 38516678 |
21 | 89540413 |
22 | 208156206 |
23 | 483904470 |
24 | 1124941411 |
25 | 2615171499 |
26 | 6079536145 |
27 | 14133206848 |
28 | 32855719753 |
29 | 76380281708 |
30 | 177562612466 |
[1,4,10,23,53,123,286,665,1546,3594,8355,19423, 45153,104968,244021,567280,1318766,3065759, 7127025,16568323,38516678,89540413,208156206, 483904470,1124941411,2615171499,6079536145, 14133206848,32855719753,76380281708,177562612466] |