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A162641 as a simple table

na(n)
10
20
30
41
50
60
70
80
91
100
110
121
130
140
150
161
170
181
190
201
210
220
230
240
251
260
270
281
290
300
310
320
330
340
350
362
370
380
390
400
410
420
430
441
451
460
470
481
491
501
510
521
530
540
550
560
570
580
590
601
610
620
631
641
650
660
670
681
690
700
710
721
730
740
751
761
770
780
790
801
811
820
830
841
850
860
870
880
890
901
910
921
930
940
950
960
970
981
991
1002
1010
1020
1030
1040
1050

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