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A122493 as a simple table

na(n)
00
11
22
33
45
56
68
710
813
915
1021
1128
1234
1336
1445
1555
1666
1778
1889
1991
20105
21120
22136
23144
24153
25171
26190
27210
28231
29233
30253
31276
32300
33325
34351
35377
36378
37406
38435
39465
40496
41528
42561
43595
44610
45630
46666
47703
48741
49780
50820
51861
52903
53946
54987
55990
561035
571081

[0,1,2,3,5,6,8,10,13,15,21,28,34,36,45,55,66,78,
 89,91,105,120,136,144,153,171,190,210,231,233,253,
 276,300,325,351,377,378,406,435,465,496,528,561,
 595,610,630,666,703,741,780,820,861,903,946,987,
 990,1035,1081]