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A027870 as a simple table

na(n)
00
10
20
30
40
50
60
70
80
90
101
111
121
130
140
150
160
171
180
190
201
211
221
231
240
250
261
270
280
291
301
310
320
330
340
350
360
370
381
390
401
411
422
433
441
451
461
471
481
490
501
510
522
533
542
552
562
571
581
592
602
613
622
632
642
651
661
670
681
693
703
711
720
731
741
751
760
770
782
794
802
810
822
833
841
851
860
873
885
893
903
914
922
933
944
951
961
974
985
995
1006
1016
1027
1035
1045

[0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,1,0,0,1,1,1,1,
 0,0,1,0,0,1,1,0,0,0,0,0,0,0,1,0,1,1,2,3,1,1,1,1,1,
 0,1,0,2,3,2,2,2,1,1,2,2,3,2,2,2,1,1,0,1,3,3,1,0,1,
 1,1,0,0,2,4,2,0,2,3,1,1,0,3,5,3,3,4,2,3,4,1,1,4,5,
 5,6,6,7,5,5]