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A213980 as a simple table

na(n)
20
30
41
50
61
70
82
92
101
110
124
130
143
152
161
170
183
190
202
212
221
230
242
253
262
271
286
290
305
310
324
336
345
354
363
370
383
392
401
410
423
430
442
451
461
470
485
496
505
515
524
530
543
552
561
572
581
590
6018
610
6218
6317
6415
6516
6615
670
6814
6914
7013
710
7212
730
7413
7512
7611
7711
7810
790
809
819
821
830
848
859
868
877
886
890
905
915
924
934
943
952
961
970
982
991
1001
1010
1022
1030
1041
1051
1061
1070
10816
1090

[0,0,1,0,1,0,2,2,1,0,4,0,3,2,1,0,3,0,2,2,1,0,2,3,
 2,1,6,0,5,0,4,6,5,4,3,0,3,2,1,0,3,0,2,1,1,0,5,6,5,
 5,4,0,3,2,1,2,1,0,18,0,18,17,15,16,15,0,14,14,13,
 0,12,0,13,12,11,11,10,0,9,9,1,0,8,9,8,7,6,0,5,5,4,
 4,3,2,1,0,2,1,1,0,2,0,1,1,1,0,16,0]