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A340945 as a simple table

na(n)
00
10
21
32
42
52
62
72
81
90
10-1
11-2
12-3
13-4
14-4
15-4
16-4
17-4
18-4
19-4
20-4
21-4
22-3
23-2
24-1
250
261
272
283
294
305
316
326
336
346
356
366
376
386
396
406
416
426
436
445
454
463
472
481
490
50-1
51-2
52-3
53-4
54-5
55-6
56-7
57-8
58-8
59-8
60-8
61-8
62-8
63-8
64-8
65-8
66-8
67-8
68-8
69-8
70-8
71-8
72-8
73-8

[0,0,1,2,2,2,2,2,1,0,-1,-2,-3,-4,-4,-4,-4,-4,-4,
 -4,-4,-4,-3,-2,-1,0,1,2,3,4,5,6,6,6,6,6,6,6,6,6,6,
 6,6,6,5,4,3,2,1,0,-1,-2,-3,-4,-5,-6,-7,-8,-8,-8,
 -8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]