n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 11 |
5 | 25 |
6 | 59 |
7 | 142 |
8 | 335 |
9 | 796 |
10 | 1892 |
11 | 4489 |
12 | 10661 |
13 | 25315 |
14 | 60104 |
15 | 142717 |
16 | 338870 |
17 | 804616 |
18 | 1910507 |
19 | 4536349 |
20 | 10771211 |
21 | 25575430 |
22 | 60726899 |
23 | 144191392 |
24 | 342371480 |
25 | 812934961 |
26 | 1930252097 |
27 | 4583236459 |
28 | 10882545536 |
29 | 25839774745 |
30 | 61354575194 |
[0,1,2,4,11,25,59,142,335,796,1892,4489,10661, 25315,60104,142717,338870,804616,1910507,4536349, 10771211,25575430,60726899,144191392,342371480, 812934961,1930252097,4583236459,10882545536, 25839774745,61354575194] |