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A141432 as a simple table

na(n)
1-2
20
3-3
42
50
6-4
74
83
90
10-5
116
126
134
140
15-6
168
179
188
195
200
21-7
2210
2312
2412
2510
266
270
28-8
2912
3015
3116
3215
3312
347
350
36-9
3714
3818
3920
4020
4118
4214
438
440
45-10
4616
4721
4824
4925
5024
5121
5216
539
540
55-11

[-2,0,-3,2,0,-4,4,3,0,-5,6,6,4,0,-6,8,9,8,5,0,-7,
 10,12,12,10,6,0,-8,12,15,16,15,12,7,0,-9,14,18,20,
 20,18,14,8,0,-10,16,21,24,25,24,21,16,9,0,-11]