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A122574 as a simple table

n a(n)
1 1
2 1
3 -10
4 111
5 -1231
6 13652
7 -151403
8 1679085
9 -18621338
10 206513803
11 -2290273171
12 25399518684
13 -281684978695
14 3123934284329
15 -34644962106314
16 384218517453783
17 -4261048654097927
18 47255753712530980
19 -524074339491938707
20 5812073488123856757
21 -64456882708854363034

[1,1,-10,111,-1231,13652,-151403,1679085,
 -18621338,206513803,-2290273171,25399518684,
 -281684978695,3123934284329,-34644962106314,
 384218517453783,-4261048654097927,
 47255753712530980,-524074339491938707,
 5812073488123856757,-64456882708854363034]

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Last modified October 21 20:44 EDT 2019. Contains 328315 sequences. (Running on oeis4.)