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A174857 as a simple table

na(n)
22
36
42
520
62
742
82
96
102
11110
122
13156
142
156
162
17272
182
19342
202
216
222
23506
242
2510
262
276
282
29812
302
31930
322
336
342
3520
362
371332
382
396
402
411640
422
431806
442
456
462
472162
482
4928
502
516
522
532756
542
5510
562
576
582
593422
602
613660
622
636
642
6520
662
674422
682
696
702
714970
722
735256
742
756
762
7714
782
796162

[2,6,2,20,2,42,2,6,2,110,2,156,2,6,2,272,2,342,2,
 6,2,506,2,10,2,6,2,812,2,930,2,6,2,20,2,1332,2,6,
 2,1640,2,1806,2,6,2,2162,2,28,2,6,2,2756,2,10,2,6,
 2,3422,2,3660,2,6,2,20,2,4422,2,6,2,4970,2,5256,2,
 6,2,14,2,6162]