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A172176 as a simple table

na(n)
01
12
22
31
42
51
6-8
70
80
9-8
10-31
11-4
125
13-4
14-31
15-74
16-10
1722
1822
19-10
20-74
21-143
22-18
2357
2482
2557
26-18
27-143
28-244
29-28
30116
31188
32188
33116
34-28
35-244
36-383
37-40
38205
39352
40401
41352
42205
43-40
44-383
45-566
46-54
47330
48586
49714
50714
51586
52330
53-54
54-566

[1,2,2,1,2,1,-8,0,0,-8,-31,-4,5,-4,-31,-74,-10,22,
 22,-10,-74,-143,-18,57,82,57,-18,-143,-244,-28,
 116,188,188,116,-28,-244,-383,-40,205,352,401,352,
 205,-40,-383,-566,-54,330,586,714,714,586,330,-54,
 -566]