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A306257 as a simple table

na(n)
10
20
31
40
52
62
72
81
90
103
113
122
133
143
151
160
174
180
194
204
212
224
234
241
250
265
273
285
295
302
315
322
334
345
351
360
376
386
395
403
416
424
436
446
452
466
476
481
490
500
517
527
537
546
553
565
575
587
597
602
617
627
631
640
654
668
678
688
697
702
718
723
738
748
755
768
772
787
798
801
810
829
839
844
856
869
877
889
899
904
913
929
938
949
957
962
979
980
991
1000
10110
1028
10310
1049
1054

[0,0,1,0,2,2,2,1,0,3,3,2,3,3,1,0,4,0,4,4,2,4,4,1,
 0,5,3,5,5,2,5,2,4,5,1,0,6,6,5,3,6,4,6,6,2,6,6,1,0,
 0,7,7,7,6,3,5,5,7,7,2,7,7,1,0,4,8,8,8,7,2,8,3,8,8,
 5,8,2,7,8,1,0,9,9,4,6,9,7,9,9,4,3,9,8,9,7,2,9,0,1,
 0,10,8,10,9,4]