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A275451 as a simple table

na(n)
10
20
31
40
50
60
70
80
91
100
110
120
130
140
150
160
170
180
190
200
211
220
230
240
250
260
271
280
290
300
310
320
330
341
351
362
372
381
391
400
412
421
431
441
451
461
470
480
490
501
511
521
533
540
550
563
572
582
591
601
611
621
632
640
655
664
674
682
694
704
710
720
734
742
754
763
771
780
791
800
811
822

[0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,
 0,0,1,0,0,0,0,0,0,1,1,2,2,1,1,0,2,1,1,1,1,1,0,0,0,
 1,1,1,3,0,0,3,2,2,1,1,1,1,2,0,5,4,4,2,4,4,0,0,4,2,
 4,3,1,0,1,0,1,2]