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A013132 as a simple table

na(n)
02
1-9
297
3-2975
4114217
5-8693355
6641356549
7-99659748575
810015783072433
9-3322983000373651
10246472578957172573
11-288961675751112506727
12-23857648902841926624247

[2,-9,97,-2975,114217,-8693355,641356549,
 -99659748575,10015783072433,-3322983000373651,
 246472578957172573,-288961675751112506727,
 -23857648902841926624247]