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A193295 as a simple table

na(n)
21
33
42
54
62
75
83
95
103
115
122
135
143
156
163
177
182
196
203
215
223
236
243
256
265
275
284
296
302
318
323
337
344
356
363
376
383
396
403
417
422
436
444
455
464
477
483
498
504
516
523
537
543
558
564
576
583
596
602
616
624
638
645
659
663
676
683
696
703
718
722
737
744
755
765
776
783
798
805
817
825
836
843
856
864
876

[1,3,2,4,2,5,3,5,3,5,2,5,3,6,3,7,2,6,3,5,3,6,3,6,
 5,5,4,6,2,8,3,7,4,6,3,6,3,6,3,7,2,6,4,5,4,7,3,8,4,
 6,3,7,3,8,4,6,3,6,2,6,4,8,5,9,3,6,3,6,3,8,2,7,4,5,
 5,6,3,8,5,7,5,6,3,6,4,6]