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A204579 as a simple table

na(n)
11
2-1
31
44
5-5
61
7-36
849
9-14
101
11576
12-820
13273
14-30
151
16-14400
1721076
18-7645
191023
20-55
211
22518400
23-773136
24296296
25-44473
263003
27-91
281
29-25401600
3038402064
31-15291640
322475473
33-191620
347462
35-140
361
371625702400
38-2483133696
391017067024
40-173721912
4114739153
42-669188
4316422
44-204
451

[1,-1,1,4,-5,1,-36,49,-14,1,576,-820,273,-30,1,
 -14400,21076,-7645,1023,-55,1,518400,-773136,
 296296,-44473,3003,-91,1,-25401600,38402064,
 -15291640,2475473,-191620,7462,-140,1,1625702400,
 -2483133696,1017067024,-173721912,14739153,
 -669188,16422,-204,1]