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A156060 as a simple table

na(n)
00
11
21
33
45
52
63
77
84
90
108
118
126
134
147
156
162
175
180
191
201
213
225
232
243
257
264
270
288
298
306
314
327
336
342
355
360
371
381
393
405
412
423
437
444
450
468
478
486
494
507
516
522
535
540
551
561
573
585
592
603
617
624
630
648
658
666
674
687
696
702
715
720
731
741
753
765
772
783
797
804
810
828
838
846
854
867
876
882
895
900
911
921
933
945
952
963
977
984
990
1008
1018
1026
1034
1047

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