n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 4 |
5 | 23 |
6 | 53 |
7 | 87 |
8 | 593 |
9 | 5807 |
10 | 415267 |
11 | 8758459 |
12 | 274431867 |
13 | 12856077691 |
14 | 905435186299 |
15 | 481691519113703 |
16 | 77763074616922439 |
17 | 3824113551749834107 |
18 | 1437016892446437662971 |
19 | 165559472503434318118655 |
20 | 146602912901791088694069887 |
21 | 200050146291129782743679367167 |
[0,0,1,4,23,53,87,593,5807,415267,8758459, 274431867,12856077691,905435186299, 481691519113703,77763074616922439, 3824113551749834107,1437016892446437662971, 165559472503434318118655, 146602912901791088694069887, 200050146291129782743679367167] |