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A289835 as a simple table

na(n)
11
22
32
46
56
610
710
84
914
1018
1112
1222
1310
1418
1526
1630
1720
1812
1934
2020
2138
2242
2312
2446
2542
2628
2750
2820
2936
3058
3158
3236
3320
3466
3544
3670
3770
3820
3960
4078
4154
4282
4328
4452
4586
4660
4760
4836
4994
5060
5198
52102
5324
54106
55106
5668
57110
5844
5960
6084
61110
6276
6350
64126
6584

[1,2,2,6,6,10,10,4,14,18,12,22,10,18,26,30,20,12,
 34,20,38,42,12,46,42,28,50,20,36,58,58,36,20,66,
 44,70,70,20,60,78,54,82,28,52,86,60,60,36,94,60,
 98,102,24,106,106,68,110,44,60,84,110,76,50,126,
 84]