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A249338 as a simple table

na(n)
10
20
31
40
52
60
72
81
91
102
112
122
133
140
153
161
172
183
192
204
210
223
232
243
253
263
274
281
293
303
314
322
334
342
354
363
374
383
395
400
414
424
433
444
454
464
475
481
493
506
510
523
535
542
555
562
574
584
596
601
614
625
633
645
653
664
675
684
694
707
710
724
735
743
757
761
773
785
794
808
810
824
835
844
856
862
876
882
895
905
914
926
933
948
951
964
979
980

[0,0,1,0,2,0,2,1,1,2,2,2,3,0,3,1,2,3,2,4,0,3,2,3,
 3,3,4,1,3,3,4,2,4,2,4,3,4,3,5,0,4,4,3,4,4,4,5,1,3,
 6,0,3,5,2,5,2,4,4,6,1,4,5,3,5,3,4,5,4,4,7,0,4,5,3,
 7,1,3,5,4,8,0,4,5,4,6,2,6,2,5,5,4,6,3,8,1,4,9,0]