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A113555 as a simple table

na(n)
10
20
30
46
50
60
76
81
98
101
118
125
139
141
155
168
173
189
195
205
213
223
234
242
254
267
277
284
297
309
318
322
335
342
352
366
371
380
399
407
416
421
432
441
453
468
475
484
498
502
510
529
532
544
550
564
573
582
596
606
618
620
639
647
654
664
673
688
697
701
710
729
731
742
758
765
775
784
796
806
812
820
838
848
857
864
874
885
893
905
910
922
935
941
955
969
977
986
998

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