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A212451 as a simple table

na(n)
13
26
38
411
513
615
717
819
921
1023
1126
1228
1330
1432
1534
1636
1738
1840
1942
2044
2146
2248
2350
2452
2554
2656
2758
2861
2963
3065
3167
3269
3371
3473
3575
3677
3779
3881
3983
4085
4187
4289
4391
4493
4595
4697
4799
48101
49103
50105
51107
52109
53111
54113
55115
56117
57119
58121
59123
60125
61127
62129

[3,6,8,11,13,15,17,19,21,23,26,28,30,32,34,36,38,
 40,42,44,46,48,50,52,54,56,58,61,63,65,67,69,71,
 73,75,77,79,81,83,85,87,89,91,93,95,97,99,101,103,
 105,107,109,111,113,115,117,119,121,123,125,127,
 129]