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A279080 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
1011
1113
1215
1317
1419
1522
1625
1728
1832
1936
2041
2146
2252
2358
2465
2573
2682
2792
28103
29115
30128
31143
32159
33177
34197
35219
36244
37272
38303
39337
40375
41417
42464
43516
44574
45638
46709
47788
48876
49974
501083
511204
521338
531487
541653
551837
562042
572269

[0,1,2,3,4,5,6,7,8,9,11,13,15,17,19,22,25,28,32,
 36,41,46,52,58,65,73,82,92,103,115,128,143,159,
 177,197,219,244,272,303,337,375,417,464,516,574,
 638,709,788,876,974,1083,1204,1338,1487,1653,1837,
 2042,2269]