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A068015 as a simple table

na(n)
121
214
310
46
514
612
74
86
98
1016
1114
124
1326
146
154
166
1738
1812
1910
2018
216
226
2314
2416
2514
2610
2714
286
2916
306
318
326
336
344
356
368
374
388
3930
404
416
428
4310
4412
458
464
478
484
496
5032
516
5210
536
5414
5510
566
5714
586
5918
6016
616
6220
634
646
658
6610
678
6810

[21,14,10,6,14,12,4,6,8,16,14,4,26,6,4,6,38,12,10,
 18,6,6,14,16,14,10,14,6,16,6,8,6,6,4,6,8,4,8,30,4,
 6,8,10,12,8,4,8,4,6,32,6,10,6,14,10,6,14,6,18,16,
 6,20,4,6,8,10,8,10]