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A181738 as a simple table

na(n)
01
11
21
3-2
42
51
6-8
7-6
83
91
10-8
11-32
12-12
134
141
1516
16-40
17-80
18-20
195
201
2164
2296
23-120
24-160
25-30
266
271
2864
29448
30336
31-280
32-280
33-42
347
351
36-128
37512
381792
39896
40-560
41-448
42-56
438
441
45-512
46-1152
472304
485376
492016
50-1008
51-672
52-72
539
541
55-512
56-5120
57-5760
587680
5913440
604032
61-1680
62-960
63-90
6410
651

[1,1,1,-2,2,1,-8,-6,3,1,-8,-32,-12,4,1,16,-40,-80,
 -20,5,1,64,96,-120,-160,-30,6,1,64,448,336,-280,
 -280,-42,7,1,-128,512,1792,896,-560,-448,-56,8,1,
 -512,-1152,2304,5376,2016,-1008,-672,-72,9,1,-512,
 -5120,-5760,7680,13440,4032,-1680,-960,-90,10,1]