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A212125 as a simple table

na(n)
11
21
32
42
51
63
73
81
92
102
114
124
132
142
151
163
173
185
195
203
213
221
232
242
254
262
274
283
296
306
313
324
332
344
352
362
371
383
393
405
413
425
434
447
457
464
475
483
495
503
513
521
532
542
554
562
574
583
596
602
614
623
636
645
654
668
678
684
695
706
713
724
732
746
753
764
772
784
792
802
811
823
833
845
853
865
874
887
893
905
914
927
933
946
955
969

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