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A254605 as a simple table

na(n)
10
20
30
40
51
60
70
80
91
100
110
121
131
141
150
160
170
180
192
201
210
220
231
241
251
262
271
280
290
300
311
320
332
342
351
360
370
381
390
401
411
423
432
441
450
460
470
481
492
500
512
523
532
541
550
560
571
581
591
601
611
623
633
642
651
660
670
680
690
700
712
720
732
744
753
762
771
780
790
801
811
821
832
841
851
863
874

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