n | a(n) |
---|---|
2 | 1 |
3 | 0 |
4 | 5 |
5 | 22 |
6 | 137 |
7 | 956 |
8 | 7653 |
9 | 68874 |
10 | 688745 |
11 | 7576192 |
12 | 90914309 |
13 | 1181886014 |
14 | 16546404201 |
15 | 248196063012 |
16 | 3971137008197 |
17 | 67509329139346 |
18 | 1215167924508233 |
19 | 23088190565656424 |
20 | 461763811313128485 |
21 | 9697040037575698182 |
22 | 213334880826665360009 |
23 | 4906702259013303280204 |
24 | 117760854216319278724901 |
[1,0,5,22,137,956,7653,68874,688745,7576192, 90914309,1181886014,16546404201,248196063012, 3971137008197,67509329139346,1215167924508233, 23088190565656424,461763811313128485, 9697040037575698182,213334880826665360009, 4906702259013303280204,117760854216319278724901] |