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A291770 as a simple table

na(n)
10
20
31
40
50
61
70
80
93
102
112
121
130
140
151
160
170
183
192
202
211
220
230
241
250
260
277
286
296
305
314
324
335
344
354
363
372
382
391
400
410
421
430
440
453
462
472
481
490
500
511
520
530
547
556
566
575
584
594
605
614
624
633
642
652
661
670
680
691
700
710
723
732
742
751
760
770
781
790
800
8115
8214
8314
8413
8512
8612
8713
8812
8912
9011
9110
9210
939
948
958
969
978
988
9911
10010
10110
1029
1038
1048
1059
1068
1078
1087
1096
1106

[0,0,1,0,0,1,0,0,3,2,2,1,0,0,1,0,0,3,2,2,1,0,0,1,
 0,0,7,6,6,5,4,4,5,4,4,3,2,2,1,0,0,1,0,0,3,2,2,1,0,
 0,1,0,0,7,6,6,5,4,4,5,4,4,3,2,2,1,0,0,1,0,0,3,2,2,
 1,0,0,1,0,0,15,14,14,13,12,12,13,12,12,11,10,10,9,
 8,8,9,8,8,11,10,10,9,8,8,9,8,8,7,6,6]