n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 4 |
4 | 12 |
5 | 25 |
6 | 52 |
7 | 121 |
8 | 261 |
9 | 576 |
10 | 1280 |
11 | 2809 |
12 | 6204 |
13 | 13689 |
14 | 30167 |
15 | 66564 |
16 | 146804 |
17 | 323761 |
18 | 714136 |
19 | 1575025 |
20 | 3473817 |
21 | 7661824 |
22 | 16898560 |
23 | 37271025 |
24 | 82203912 |
25 | 181306225 |
26 | 399883707 |
27 | 881971204 |
28 | 1945248444 |
29 | 4290381001 |
30 | 9462732780 |
[1,3,4,12,25,52,121,261,576,1280,2809,6204,13689, 30167,66564,146804,323761,714136,1575025,3473817, 7661824,16898560,37271025,82203912,181306225, 399883707,881971204,1945248444,4290381001, 9462732780] |