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A344917 as a simple table

na(n)
01
11
2-1
3-7
45
531
6-61
7-127
81385
9511
10-50521
11-1414477
122702765
138191
14-199360981
15-118518239
1619391512145
175749691557
18-2404879675441
19-91546277357
20370371188237525
21162912981133
22-69348874393137901
23-1982765468311237
2415514534163557086905
2522076500342261

[1,1,-1,-7,5,31,-61,-127,1385,511,-50521,-1414477,
 2702765,8191,-199360981,-118518239,19391512145,
 5749691557,-2404879675441,-91546277357,
 370371188237525,162912981133,-69348874393137901,
 -1982765468311237,15514534163557086905,
 22076500342261]