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A375371 as a simple table

na(n)
01
1-1
24
3-1
411
57
635
752
8138
9267
10606
111266
122758
135882
1412679
1527185
1658442
17125473
18269561
19578929
201243545
212670942
225736984
2312322389
2426467324
2556849060
26122106124
27262271540
28563332877
291209982051
302598919376
315582216323
3211990037159
3325753389147

[1,-1,4,-1,11,7,35,52,138,267,606,1266,2758,5882,
 12679,27185,58442,125473,269561,578929,1243545,
 2670942,5736984,12322389,26467324,56849060,
 122106124,262271540,563332877,1209982051,
 2598919376,5582216323,11990037159,25753389147]