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A316231 as a simple table

na(n)
01
1-1
20
3-2
41
5-2
63
7-3
86
9-8
1014
11-10
1228
13-26
1441
15-73
1690
17-112
18155
19-221
20288
21-501
22560
23-799
241153
25-1610
261953
27-3095
284073
29-5224
307295
31-9536
3213536
33-18402
3424757
35-32936
3648714
37-60790
3882101
39-113247
40153330
41-201522
42275713
43-367041
44492991

[1,-1,0,-2,1,-2,3,-3,6,-8,14,-10,28,-26,41,-73,90,
 -112,155,-221,288,-501,560,-799,1153,-1610,1953,
 -3095,4073,-5224,7295,-9536,13536,-18402,24757,
 -32936,48714,-60790,82101,-113247,153330,-201522,
 275713,-367041,492991]