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A331506 as a simple table

na(n)
11
22
32
43
52
62
73
82
95
102
113
122
136
143
155
162
172
182
192
2013
215
223
232
243
255
262
275
282
296
303
313
322
333
342
352
366
375
382
395
402
412
422
4321
445
452
463
472
483
492
506
513
5213
5313
546
553
565
572
586
595
603
613
622
635
6434
6510
662
673
6810
692
702
713
7213
736
742
752
765
772
785
793
8021
812
822
8313
845
8515
862
873
8813
892
903
912
9213
933
942
9510
965
972
983
992
1002

[1,2,2,3,2,2,3,2,5,2,3,2,6,3,5,2,2,2,2,13,5,3,2,3,
 5,2,5,2,6,3,3,2,3,2,2,6,5,2,5,2,2,2,21,5,2,3,2,3,
 2,6,3,13,13,6,3,5,2,6,5,3,3,2,5,34,10,2,3,10,2,2,
 3,13,6,2,2,5,2,5,3,21,2,2,13,5,15,2,3,13,2,3,2,13,
 3,2,10,5,2,3,2,2]