n | a(n) |
---|---|
2 | 1 |
3 | 2 |
4 | 4 |
5 | 10 |
6 | 31 |
7 | 127 |
8 | 711 |
9 | 5621 |
10 | 64049 |
11 | 1067599 |
12 | 26287664 |
13 | 963023487 |
14 | 52766766100 |
15 | 4342736509018 |
16 | 538755914902622 |
17 | 101067429677072459 |
18 | 28751803102222498512 |
19 | 12436935036300286507123 |
20 | 8200693250120852291693833 |
21 | 8262592110164298068793701546 |
[1,2,4,10,31,127,711,5621,64049,1067599,26287664, 963023487,52766766100,4342736509018, 538755914902622,101067429677072459, 28751803102222498512,12436935036300286507123, 8200693250120852291693833, 8262592110164298068793701546] |