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A260984 as a simple table

na(n)
01
12
22
32
42
52
64
74
84
94
104
116
126
138
148
158
1610
1710
1812
1912
2014
2116
2216
2318
2420
2522
2624
2726
2828
2930
3032
3136
3238
3340
3444
3548
3652
3756
3860
3964
4068
4174
4280
4384
4490
4596
46104
47110
48118
49126
50134
51144
52152
53162
54172
55184
56196
57208
58220
59234
60248

[1,2,2,2,2,2,4,4,4,4,4,6,6,8,8,8,10,10,12,12,14,
 16,16,18,20,22,24,26,28,30,32,36,38,40,44,48,52,
 56,60,64,68,74,80,84,90,96,104,110,118,126,134,
 144,152,162,172,184,196,208,220,234,248]