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A302194 as a simple table

na(n)
01
1-2
25
3-17
479
5-471
63391
7-28451
8272447
9-2933807
1035102403
11-462021525
126634207777
13-103200019093
141728836723813
15-31030630439249
16594094812208133
17-12085090282079299
18260296103744105623
19-5917885334682695549
20141625618336446419151

[1,-2,5,-17,79,-471,3391,-28451,272447,-2933807,
 35102403,-462021525,6634207777,-103200019093,
 1728836723813,-31030630439249,594094812208133,
 -12085090282079299,260296103744105623,
 -5917885334682695549,141625618336446419151]