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A066519 as a simple table

na(n)
11
21
33
43
56
62
74
87
92
106
117
123
131
144
153
168
177
182
191
203
215
2210
232
241
253
263
272
281
295
301
311
321
334
344
352
362
372
389
392
406
419
421
431
444
454
461
473
486
491
503
5122
521
539
541
551
562
572
584
597
603
615
624
631
642
6520
661
672
686
691
704
714
729
735
741
754
765
772
787
798
802
812
829
832
842
851
865
873
881
894
901
9112
9216
9313
945
951
969
972
981
993
1003

[1,1,3,3,6,2,4,7,2,6,7,3,1,4,3,8,7,2,1,3,5,10,2,1,
 3,3,2,1,5,1,1,1,4,4,2,2,2,9,2,6,9,1,1,4,4,1,3,6,1,
 3,22,1,9,1,1,2,2,4,7,3,5,4,1,2,20,1,2,6,1,4,4,9,5,
 1,4,5,2,7,8,2,2,9,2,2,1,5,3,1,4,1,12,16,13,5,1,9,
 2,1,3,3]