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A063070 as a simple table

na(n)
10
2-1
30
4-1
52
6-2
74
80
93
100
118
12-2
1310
142
154
163
1714
180
1916
202
218
226
2320
240
2517
268
2714
286
2926
300
3128
3210
3316
3412
3520
363
3734
3814
3920
408
4138
424
4340
4414
4518
4618
4744
486
4939
5014
5128
5218
5350
5410
5536
5616
5732
5824
5956
604
6158
6226
6330
6425
6544
6612
6764
6826
6940
7016
7168
7212
7370
7432
7534
7630
7756
7816
7976
8022
8149
8236
8380
8412
8560
8638
8752
8832
8986
9012
9168
9238

[0,-1,0,-1,2,-2,4,0,3,0,8,-2,10,2,4,3,14,0,16,2,8,
 6,20,0,17,8,14,6,26,0,28,10,16,12,20,3,34,14,20,8,
 38,4,40,14,18,18,44,6,39,14,28,18,50,10,36,16,32,
 24,56,4,58,26,30,25,44,12,64,26,40,16,68,12,70,32,
 34,30,56,16,76,22,49,36,80,12,60,38,52,32,86,12,
 68,38]