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A049759 as a simple table

na(n)
10
20
30
40
51
60
70
80
91
100
110
121
131
141
150
160
170
180
190
201
210
220
231
241
251
264
271
280
290
300
311
320
334
344
351
360
370
381
390
401
411
423
434
441
450
460
470
481
490
500
514
522
534
541
550
560
571
581
591
601
611
622
631
644
651
660
670
680
690
700
714
720
734
740
750
764
771
780
790
801
811
821
834
841
851
861
877
889
894
901
910

[0,0,0,0,1,0,0,0,1,0,0,1,1,1,0,0,0,0,0,1,0,0,1,1,
 1,4,1,0,0,0,1,0,4,4,1,0,0,1,0,1,1,3,4,1,0,0,0,1,0,
 0,4,2,4,1,0,0,1,1,1,1,1,2,1,4,1,0,0,0,0,0,4,0,4,0,
 0,4,1,0,0,1,1,1,4,1,1,1,7,9,4,1,0]