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A238408 as a simple table

na(n)
21
31
41
51
61
71
81
92
102
112
121
131
141
152
161
171
182
191
202
212
222
232
241
252
262
272
281
292
302
312
321
332
342
352
362
371
381
392
402
412
422
431
442
452
462
472
481
492
502
512
522
531
542
552
562
572
582
592
602
612
622
632
641
652
662
671
682
692
702
712
722
732
742
753
762
772
782
792
802
813
822
832
842
852
862
872
882
891
902
912
922
932
942
952
961
972
982
993
1002

[1,1,1,1,1,1,1,2,2,2,1,1,1,2,1,1,2,1,2,2,2,2,1,2,
 2,2,1,2,2,2,1,2,2,2,2,1,1,2,2,2,2,1,2,2,2,2,1,2,2,
 2,2,1,2,2,2,2,2,2,2,2,2,2,1,2,2,1,2,2,2,2,2,2,2,3,
 2,2,2,2,2,3,2,2,2,2,2,2,2,1,2,2,2,2,2,2,1,2,2,3,2]