n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 10 |
4 | 26 |
5 | 59 |
6 | 140 |
7 | 307 |
8 | 684 |
9 | 1464 |
10 | 3122 |
11 | 6500 |
12 | 13426 |
13 | 27248 |
14 | 54804 |
15 | 108802 |
16 | 214071 |
17 | 416849 |
18 | 805124 |
19 | 1541637 |
20 | 2930329 |
21 | 5528733 |
22 | 10362312 |
23 | 19295226 |
24 | 35713454 |
25 | 65715094 |
26 | 120256653 |
27 | 218893580 |
28 | 396418699 |
29 | 714399381 |
30 | 1281403841 |
31 | 2287986987 |
32 | 4067428375 |
33 | 7200210523 |
34 | 12693890803 |
35 | 22290727268 |
36 | 38993410516 |
37 | 67959010130 |
38 | 118016656268 |
39 | 204233654229 |
40 | 352245710866 |
41 | 605538866862 |
42 | 1037668522922 |
43 | 1772700955975 |
44 | 3019333854177 |
45 | 5127694484375 |
46 | 8683676638832 |
47 | 14665233966068 |
48 | 24700752691832 |
49 | 41495176877972 |
50 | 69531305679518 |
[1,1,4,10,26,59,140,307,684,1464,3122,6500,13426, 27248,54804,108802,214071,416849,805124,1541637, 2930329,5528733,10362312,19295226,35713454, 65715094,120256653,218893580,396418699,714399381, 1281403841,2287986987,4067428375,7200210523, 12693890803,22290727268,38993410516,67959010130, 118016656268,204233654229,352245710866, 605538866862,1037668522922,1772700955975, 3019333854177,5127694484375,8683676638832, 14665233966068,24700752691832,41495176877972, 69531305679518] |