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A098149 as a simple table

na(n)
0-1
1-1
24
3-11
429
5-76
6199
7-521
81364
9-3571
109349
11-24476
1264079
13-167761
14439204
15-1149851
163010349
17-7881196
1820633239
19-54018521
20141422324
21-370248451
22969323029
23-2537720636
246643838879
25-17393796001
2645537549124
27-119218851371

[-1,-1,4,-11,29,-76,199,-521,1364,-3571,9349,
 -24476,64079,-167761,439204,-1149851,3010349,
 -7881196,20633239,-54018521,141422324,-370248451,
 969323029,-2537720636,6643838879,-17393796001,
 45537549124,-119218851371]