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A276738 as a simple table

na(n)
1-1
2-1
35
4-1
512
6-32
7-1
814
97
10-126
11231
12-1
1316
1416
15-160
16-160
171280
18-1792
19-1
2018
2118
22-198
239
24-396
251716
26-66
272574
28-12870
2914586
30-1
3120
3220
33-240
3420
35-480
362240
37-240
38-240
396720
40-17920
412240
42-35840
43129024
44-122880
45-1
4622
4722
48-286
4922
50-572
512860
5211
53-572
54-286
558580
56-24310
57-286
584290
598580
60-97240
61184756
62715

[-1,-1,5,-1,12,-32,-1,14,7,-126,231,-1,16,16,-160,
 -160,1280,-1792,-1,18,18,-198,9,-396,1716,-66,
 2574,-12870,14586,-1,20,20,-240,20,-480,2240,-240,
 -240,6720,-17920,2240,-35840,129024,-122880,-1,22,
 22,-286,22,-572,2860,11,-572,-286,8580,-24310,
 -286,4290,8580,-97240,184756,715]