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A293706 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
102
112
124
134
146
156
168
178
1810
1910
2010
2110
2210
2310
2410
2510
2610
2710
2810
2910
3010
3110
3210
3310
3410
3510
3610
3710
3810
3910
4010
4110
4210
4310
4410
4510
4610
4710
4810
4910
5010
5110
5210
5310
5410
5510
5610
5710
5810
5910
6010
6110
6210
6310
6410
6510

[0,0,0,0,0,0,0,0,0,2,2,4,4,6,6,8,8,10,10,10,10,10,
 10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,
 10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,
 10,10,10,10,10,10,10,10,10,10,10]