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A378874 as a simple table

na(n)
11
22
31
41
52
62
71
82
91
102
112
121
132
142
151
161
174
182
191
202
211
221
234
244
251
261
274
281
294
304
311
322
333
342
352
361
372
382
391
402
412
422
431
442
452
461
472
483
492
502
511
522
531
542
552
562
571
581
592
601
612
622
631
641
652
662
671
688
691
701
712
728
731
741
756
761
778
786
791
802
811
821
836
841
854
864
871

[1,2,1,1,2,2,1,2,1,2,2,1,2,2,1,1,4,2,1,2,1,1,4,4,
 1,1,4,1,4,4,1,2,3,2,2,1,2,2,1,2,2,2,1,2,2,1,2,3,2,
 2,1,2,1,2,2,2,1,1,2,1,2,2,1,1,2,2,1,8,1,1,2,8,1,1,
 6,1,8,6,1,2,1,1,6,1,4,4,1]