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A159807 as a simple table

na(n)
01
13
2-233
3-2151
4162705
52570283
6-189162201
7-4299537519
8307542155937
99246531104595
10-642087222317001
11-24302866940070903
121636327584987643953
1375484508348928834171
14-4921433057324341373625
15-270505813458143914292223
1617053284557712927443382081

[1,3,-233,-2151,162705,2570283,-189162201,
 -4299537519,307542155937,9246531104595,
 -642087222317001,-24302866940070903,
 1636327584987643953,75484508348928834171,
 -4921433057324341373625,-270505813458143914292223,
 17053284557712927443382081]