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A370331 as a simple table

na(n)
01
1-1
2-3
31
490
55
6-1
7-2205
8-3675
9-7
101
1146116
12532350
13107604
149
15-1
16-812295
17-52887450
18-74042430
19-2436885
20-11
211
2212666654
234257556875
2424609789204
257663602375
2646444398
2713
28-1
29-181355265
30-292686719325
31-5841878527485
32-7510986678195
33-643910782515
34-785872815
35-15

[1,-1,-3,1,90,5,-1,-2205,-3675,-7,1,46116,532350,
 107604,9,-1,-812295,-52887450,-74042430,-2436885,
 -11,1,12666654,4257556875,24609789204,7663602375,
 46444398,13,-1,-181355265,-292686719325,
 -5841878527485,-7510986678195,-643910782515,
 -785872815,-15]