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A049816 as a simple table

na(n)
10
20
30
40
51
60
70
80
91
100
110
121
132
141
150
160
170
180
191
201
210
220
231
241
252
262
271
280
290
300
312
320
333
341
351
360
370
381
390
401
412
421
432
441
450
460
470
481
491
500
512
522
531
541
550
560
571
582
592
601
612
623
633
642
651
660
670
680
690
700
712
720
733
741
751
761
771
780
790
801
811
821
833
841
852
864
872
882
892
901
910

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