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A318955 as a simple table

na(n)
12
22
32
43
52
62
73
82
92
102
113
122
134
142
153
162
172
183
194
202
212
223
232
242
254
263
272
285
292
302
313
322
332
344
352
363
372
382
392
403
415
422
434
442
452
463
472
482
492
502
513
522
534
542
552
565
573
582
592
602
616
622
633
642
654
662
672
682
693
702
712
722
735
742
753
764
772
782
792
803
812
822
832
846
852
863
874
882
892
902
915
922
933
942
952
962
972
983
992

[2,2,2,3,2,2,3,2,2,2,3,2,4,2,3,2,2,3,4,2,2,3,2,2,
 4,3,2,5,2,2,3,2,2,4,2,3,2,2,2,3,5,2,4,2,2,3,2,2,2,
 2,3,2,4,2,2,5,3,2,2,2,6,2,3,2,4,2,2,2,3,2,2,2,5,2,
 3,4,2,2,2,3,2,2,2,6,2,3,4,2,2,2,5,2,3,2,2,2,2,3,2]