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A076780 as a simple table

na(n)
11
21
32
43
53
61
74
81
99
101
118
122
1327
143
158
164
179
189
194
208
213
2227
232
248
251
269
271
284
291
303
313
322
331
341
351
361
371
381
392
403
413
421
434
441
459
461
478
482
4927
503
518
524
539
549
554
568
573
5827
592
608
611
629
631
644
651
663
673
682
691
701
711
721
731
741
752
763
773
781
794
801
819
821
838
842
8527
863
878
884
899
909
914
928
933
9427
952
968
971
989
991
1004
1011
1023

[1,1,2,3,3,1,4,1,9,1,8,2,27,3,8,4,9,9,4,8,3,27,2,
 8,1,9,1,4,1,3,3,2,1,1,1,1,1,1,2,3,3,1,4,1,9,1,8,2,
 27,3,8,4,9,9,4,8,3,27,2,8,1,9,1,4,1,3,3,2,1,1,1,1,
 1,1,2,3,3,1,4,1,9,1,8,2,27,3,8,4,9,9,4,8,3,27,2,8,
 1,9,1,4,1,3]