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A030010 as a simple table

na(n)
12
20
31
40
52
6-3
72
8-4
94
10-3
114
12-5
1310
14-21
1520
16-18
1734
18-46
1964
20-99
21126
22-182
23258
24-319
25464
26-685
27936
28-1352
291888
30-2570
313690
32-5188
337292
34-10501
3514742
36-20766
3729610
38-41650
3959052
40-84338
41119602
42-170279
43242256
44-343356
45489550
46-698073

[2,0,1,0,2,-3,2,-4,4,-3,4,-5,10,-21,20,-18,34,-46,
 64,-99,126,-182,258,-319,464,-685,936,-1352,1888,
 -2570,3690,-5188,7292,-10501,14742,-20766,29610,
 -41650,59052,-84338,119602,-170279,242256,-343356,
 489550,-698073]