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A251621 as a simple table

na(n)
11
21
31
41
51
61
73
81
92
104
111
121
134
146
152
166
174
182
194
206
216
222
236
244
252
266
274
286
298
304
312
324
332
344
3514
364
376
382
3910
402
416
426
434
446
456
462
4710
482
494
502
5112
5212
534
542
554
566
572
5810
596
606
616
622
636
644
652
6610
6714
684
692
704
7114
726
7310
742
754
766
778
786
796
804
816
828
834

[1,1,1,1,1,1,3,1,2,4,1,1,4,6,2,6,4,2,4,6,6,2,6,4,
 2,6,4,6,8,4,2,4,2,4,14,4,6,2,10,2,6,6,4,6,6,2,10,
 2,4,2,12,12,4,2,4,6,2,10,6,6,6,2,6,4,2,10,14,4,2,
 4,14,6,10,2,4,6,8,6,6,4,6,8,4]