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A081777 as a simple table

na(n)
11
28
31
48
59
68
71
88
98
101
118
128
131
147
151
168
178
181
198
209
218
221
238
248
251
267
271
288
299
308
311
328
338
341
357
361
378
388
391
408
418
421
438
449
458
461
478
488
491
507
511
528
539
548
551
568
578
581
598
608
611
627
631
648
658
661
678
689
698
701
717
721
738
748
751
768
779
788
791
808
818
821
837
841
858
868
871
888
898
901
918
929
938
941
958
968
971
987
991
1008
1019
1028
1031
1048
1058

[1,8,1,8,9,8,1,8,8,1,8,8,1,7,1,8,8,1,8,9,8,1,8,8,
 1,7,1,8,9,8,1,8,8,1,7,1,8,8,1,8,8,1,8,9,8,1,8,8,1,
 7,1,8,9,8,1,8,8,1,8,8,1,7,1,8,8,1,8,9,8,1,7,1,8,8,
 1,8,9,8,1,8,8,1,7,1,8,8,1,8,8,1,8,9,8,1,8,8,1,7,1,
 8,9,8,1,8,8]