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A307899 as a simple table

na(n)
01
10
2-2
3-3
4-1
55
610
79
8-4
9-26
10-43
11-33
1235
13148
14219
1598
16-316
17-857
18-983
1923
202296
214501
223712
23-2906
24-14257
25-21771
26-10811
2728282
2881209
2997292
307960
31-207185
32-431595
33-386033
34219344
351322141
362134126
371226554
38-2443765
39-7684081
40-9726127
41-1791806
4218712361
4341428590
4439753658

[1,0,-2,-3,-1,5,10,9,-4,-26,-43,-33,35,148,219,98,
 -316,-857,-983,23,2296,4501,3712,-2906,-14257,
 -21771,-10811,28282,81209,97292,7960,-207185,
 -431595,-386033,219344,1322141,2134126,1226554,
 -2443765,-7684081,-9726127,-1791806,18712361,
 41428590,39753658]