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A024084 as a simple table

na(n)
01
16
2-463
3-19340
4-259743
5-1936318
6-9960047
7-39530064
8-128452927
9-347066882
10-717524751
11-380620948
128681506849
1386284511034
14657562026065
154709118150568
1633164211092865
17232511926110710
181628215238620081

[1,6,-463,-19340,-259743,-1936318,-9960047,
 -39530064,-128452927,-347066882,-717524751,
 -380620948,8681506849,86284511034,657562026065,
 4709118150568,33164211092865,232511926110710,
 1628215238620081]