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A143044 as a simple table

na(n)
11
21
3-3
40
50
64
76
85
918
10-23
11-24
1224
1317
1488
15-7
16145
175
18-376
19376
20-236
21654
22-755
2334
243025
25-2992
262992
27-5983
28-720
29-11279
30-18015
3148141
32-112
33112
34-66268
35-95338
36-85227
37-294862
38389049
39381240
40-381240
41-302671
42-1445240
4369609
44-2448591
45110613
466162200
47-6162200
483602996

[1,1,-3,0,0,4,6,5,18,-23,-24,24,17,88,-7,145,5,
 -376,376,-236,654,-755,34,3025,-2992,2992,-5983,
 -720,-11279,-18015,48141,-112,112,-66268,-95338,
 -85227,-294862,389049,381240,-381240,-302671,
 -1445240,69609,-2448591,110613,6162200,-6162200,
 3602996]