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A191254 as a simple table

na(n)
10
21
30
42
50
61
70
81
90
101
110
122
130
141
150
162
170
181
190
202
210
221
230
241
250
261
270
282
290
301
310
321
330
341
350
362
370
381
390
401
410
421
430
442
450
461
470
482
490
501
510
522
530
541
550
561
570
581
590
602
610
621
630
642
650
661
670
682
690
701
710
721
730
741
750
762
770
781
790
802
810
821
830
842
850
861
870
881
890
901
910
922
930
941
950
961
970
981
990
1002
1010
1021
1030
1041
1050
1061
1070
1082
1090
1101
1110
1122
1130
1141
1150
1162
1170
1181
1190
1201
1210
1221
1230
1242
1250
1261
1270
1281
1290
1301
1310
1322

[0,1,0,2,0,1,0,1,0,1,0,2,0,1,0,2,0,1,0,2,0,1,0,1,
 0,1,0,2,0,1,0,1,0,1,0,2,0,1,0,1,0,1,0,2,0,1,0,2,0,
 1,0,2,0,1,0,1,0,1,0,2,0,1,0,2,0,1,0,2,0,1,0,1,0,1,
 0,2,0,1,0,2,0,1,0,2,0,1,0,1,0,1,0,2,0,1,0,1,0,1,0,
 2,0,1,0,1,0,1,0,2,0,1,0,2,0,1,0,2,0,1,0,1,0,1,0,2,
 0,1,0,1,0,1,0,2]