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A001613 as a simple table

na(n)
00
10
22
30
44
50
66
70
88
90
100
110
122
130
144
150
166
170
188
190
2020
212
2222
232
2424
252
2626
272
2828
292
300
310
322
330
344
350
366
370
388
390
4040
414
4242
434
4444
454
4646
474
4848
494
500
510
522
530
544
550
566
570
588
590
6060
616
6262
636
6464
656
6666
676
6868
696
700
710
722
730
744
750
766
770
788
790
8080
818

[0,0,2,0,4,0,6,0,8,0,0,0,2,0,4,0,6,0,8,0,20,2,22,
 2,24,2,26,2,28,2,0,0,2,0,4,0,6,0,8,0,40,4,42,4,44,
 4,46,4,48,4,0,0,2,0,4,0,6,0,8,0,60,6,62,6,64,6,66,
 6,68,6,0,0,2,0,4,0,6,0,8,0,80,8]