login

A142148 as a simple table

na(n)
11
2-1
31
42
5-5
62
7-6
841
9-31
106
1124
12-602
13633
14-217
1524
16-120
1714554
18-18551
198534
20-1681
21120
22720
23-519444
24752260
25-417755
26111620
27-14401
28720
29-5040
3025409628
31-40466224
3225725825
33-8391895
341486827
35-136081
365040
3740320
38-1625771664
392792773340
40-1970053624
41742859705
42-162288511

[1,-1,1,2,-5,2,-6,41,-31,6,24,-602,633,-217,24,
 -120,14554,-18551,8534,-1681,120,720,-519444,
 752260,-417755,111620,-14401,720,-5040,25409628,
 -40466224,25725825,-8391895,1486827,-136081,5040,
 40320,-1625771664,2792773340,-1970053624,
 742859705,-162288511]