A013061 - OEIS

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A013061 as a simple table

n	a(n)
0	1
1	-4
2	24
3	-534
4	27272
5	-2170874
6	260563908
7	-43811275382
8	9816624434928
9	-2827858695802930
10	1018209224687676028
11	-448073447471574806926
12	236608835615446145622184
13	-147657298507133683247970826

[1,-4,24,-534,27272,-2170874,260563908, -43811275382,9816624434928,-2827858695802930, 1018209224687676028,-448073447471574806926, 236608835615446145622184, -147657298507133683247970826]

[1,-4,24,-534,27272,-2170874,260563908,
 -43811275382,9816624434928,-2827858695802930,
 1018209224687676028,-448073447471574806926,
 236608835615446145622184,
 -147657298507133683247970826]