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A251718 as a simple table

na(n)
11
21
31
42
53
62
71
83
94
102
113
124
133
145
152
162
174
183
191
203
212
224
233
242
255
264
272
283
294
302
311
325
336
342
353
362
371
383
396
404
414
424
436
443
454
465
473
486
494
506
512
524
533
544
552
565
578
585
596
603
613
624
634
642
653
662
673
687
696
705
713
724
734
746
752
762
775
787
791
805
815
824
836
842
854
866
875
885
894
902
912
925
933
943
953
964
971
983
995
1007
1015
1024
1033
1043
1055
1062
1074
1085
1097
1104
1117
1124
1133
1147
1154
1163
1172
1183
1194
1202

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