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A002470 as a simple table

na(n)
00
11
24
3-8
4-48
510
6224
780
8-448
9-231
1040
11-248
121408
131466
14-2240
15-80
161280
17-4766
18-924
191944
20-480
219600
226944
23-2704
24-8704
25-15525
265864
27-3984
28-14080
2925498
302240
3110816
3233792
33-29760
34-19064
35800
3611088
371994
38-54432
39-11728
40-4480

[0,1,4,-8,-48,10,224,80,-448,-231,40,-248,1408,
 1466,-2240,-80,1280,-4766,-924,1944,-480,9600,
 6944,-2704,-8704,-15525,5864,-3984,-14080,25498,
 2240,10816,33792,-29760,-19064,800,11088,1994,
 -54432,-11728,-4480]