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A151930 as a simple table

na(n)
01
10
22
3-2
42
50
64
7-6
82
90
104
11-4
124
130
148
15-14
162
170
184
19-4
204
210
228
23-12
244
250
268
27-8
288
290
3016
31-30
322
330
344
35-4
364
370
388
39-12
404
410
428
43-8
448
450
4616
47-28
484
490
508
51-8
528
530
5416
55-24
568
570
5816
59-16
6016
610
6232
63-62
642
650
664
67-4
684
690
708
71-12
724
730
748
75-8
768
770
7816
79-28
804
810
828
83-8
848
850
8616
87-24
888
890
9016
91-16
9216
930
9432

[1,0,2,-2,2,0,4,-6,2,0,4,-4,4,0,8,-14,2,0,4,-4,4,
 0,8,-12,4,0,8,-8,8,0,16,-30,2,0,4,-4,4,0,8,-12,4,
 0,8,-8,8,0,16,-28,4,0,8,-8,8,0,16,-24,8,0,16,-16,
 16,0,32,-62,2,0,4,-4,4,0,8,-12,4,0,8,-8,8,0,16,
 -28,4,0,8,-8,8,0,16,-24,8,0,16,-16,16,0,32]