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A005681 as a simple table

na(n)
12
24
33
42
53
61
72
84
93
101
112
123
132
144
153
162
173
181
192
203
212
224
233
241
252
264
273
282
293
301
312
324
333
341
352
363
372
384
393
401
412
424
433
442
453
461
472
483
492
504
513
522
533
541
552
564
573
581
592
603
612
624
633
642
653
661
672
683
692
704
713
721
732
744
753
762
773
781
792
803
812
824
833
842
853
861
872
884
893
901
912
923
932
944
953
961
972
984
993
1002
1013
1021
1032
1044
1053
1061
1072
1083
1092
1104
1113
1122
1133
1141
1152

[2,4,3,2,3,1,2,4,3,1,2,3,2,4,3,2,3,1,2,3,2,4,3,1,
 2,4,3,2,3,1,2,4,3,1,2,3,2,4,3,1,2,4,3,2,3,1,2,3,2,
 4,3,2,3,1,2,4,3,1,2,3,2,4,3,2,3,1,2,3,2,4,3,1,2,4,
 3,2,3,1,2,3,2,4,3,2,3,1,2,4,3,1,2,3,2,4,3,1,2,4,3,
 2,3,1,2,4,3,1,2,3,2,4,3,2,3,1,2]