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A268389 as a simple table

na(n)
10
20
31
40
52
61
70
80
91
102
110
121
130
140
153
160
174
181
190
202
210
220
231
241
250
260
272
280
291
303
310
320
331
344
350
361
370
380
392
402
410
420
431
440
453
461
470
481
490
500
515
520
531
542
550
560
572
581
590
603
610
620
631
640
652
661
670
684
690
700
711
721
730
740
753
760
771
782
790
802
810
820
831
840
856
861
870
880
891
903
910
921
930
940
952
961
970
980
992
1000
1011
1025
1030
1040
1053
1061
1070
1082
1090
1100
1111
1120
1131
1142
1150
1161
1170
1180
1194
1203

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