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A270417 as a simple table

na(n)
10
20
30
40
50
61
70
80
90
100
110
121
130
140
151
160
170
181
190
201
210
220
230
241
250
260
270
281
290
302
310
320
330
340
351
361
370
380
390
401
410
422
430
440
452
460
470
481
490
500
510
520
530
541
550
561
570
580
590
603
610
620
631
640
650
662
670
680
690
701
710
722
730
740
751
760
771
781
790
801
810
820
830
843
850
860
870
881
890
903
911
920
930
940
950
961
970
980
991
1001
1010
1021
1030
1041
1052
1060
1070
1081
1090
1101
1110
1121
1130
1141
1150
1160
1171

[0,0,0,0,0,1,0,0,0,0,0,1,0,0,1,0,0,1,0,1,0,0,0,1,
 0,0,0,1,0,2,0,0,0,0,1,1,0,0,0,1,0,2,0,0,2,0,0,1,0,
 0,0,0,0,1,0,1,0,0,0,3,0,0,1,0,0,2,0,0,0,1,0,2,0,0,
 1,0,1,1,0,1,0,0,0,3,0,0,0,1,0,3,1,0,0,0,0,1,0,0,1,
 1,0,1,0,1,2,0,0,1,0,1,0,1,0,1,0,0,1]