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A048158 as a simple table

na(n)
10
20
30
40
51
60
70
80
91
100
110
121
132
141
150
160
170
180
192
201
210
220
231
241
253
262
271
280
290
300
312
320
333
342
351
360
370
381
390
401
414
423
432
441
450
460
470
481
492
500
514
523
532
541
550
560
571
582
593
601
615
624
633
642
651
660
670
680
690
700
712
720
735
744
753
762
771
780
790
801
811
821
833
841
856
865
874
883
892
901
910
920
930
942
952
964
972
980
996
1005
1014
1023
1032
1041
1050

[0,0,0,0,1,0,0,0,1,0,0,1,2,1,0,0,0,0,2,1,0,0,1,1,
 3,2,1,0,0,0,2,0,3,2,1,0,0,1,0,1,4,3,2,1,0,0,0,1,2,
 0,4,3,2,1,0,0,1,2,3,1,5,4,3,2,1,0,0,0,0,0,2,0,5,4,
 3,2,1,0,0,1,1,1,3,1,6,5,4,3,2,1,0,0,0,2,2,4,2,0,6,
 5,4,3,2,1,0]