n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 10 |
3 | 25 |
4 | 60 |
5 | 148 |
6 | 358 |
7 | 869 |
8 | 2106 |
9 | 5110 |
10 | 12396 |
11 | 30070 |
12 | 72942 |
13 | 176939 |
14 | 429214 |
15 | 1041172 |
16 | 2525640 |
17 | 6126607 |
18 | 14861710 |
19 | 36051016 |
20 | 87451296 |
21 | 212136296 |
22 | 514592810 |
23 | 1248281249 |
24 | 3028037016 |
25 | 7345306340 |
26 | 17817987338 |
27 | 43222250797 |
28 | 104847025002 |
29 | 254334247970 |
30 | 616955127612 |
31 | 1496588180810 |
32 | 3630371290710 |
[1,4,10,25,60,148,358,869,2106,5110,12396,30070, 72942,176939,429214,1041172,2525640,6126607, 14861710,36051016,87451296,212136296,514592810, 1248281249,3028037016,7345306340,17817987338, 43222250797,104847025002,254334247970, 616955127612,1496588180810,3630371290710] |