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A024124 as a simple table

na(n)
01
19
2-924
3-58049
4-1038576
5-9665625
6-59466176
7-272475249
8-973741824
9-2486784401
100
1174062575399
12938082635776
139862141508151
1499710745345024
15999423349609375
169998900488372224
1799997984006099551
18999996429532773376

[1,9,-924,-58049,-1038576,-9665625,-59466176,
 -272475249,-973741824,-2486784401,0,74062575399,
 938082635776,9862141508151,99710745345024,
 999423349609375,9998900488372224,
 99997984006099551,999996429532773376]