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A024644 as a simple table

na(n)
00
11
22
33
44
55
66
77
820
921
1022
1123
1224
1325
1426
1527
1640
1741
1842
1943
2044
2145
2246
2347
2460
2561
2662
2763
2864
2965
3066
3167
32200
33201
34202
35203
36204
37205
38206
39207
40220
41221
42222
43223
44224
45225
46226
47227
48240
49241
50242
51243
52244
53245
54246
55247
56260
57261
58262
59263
60264
61265
62266

[0,1,2,3,4,5,6,7,20,21,22,23,24,25,26,27,40,41,42,
 43,44,45,46,47,60,61,62,63,64,65,66,67,200,201,
 202,203,204,205,206,207,220,221,222,223,224,225,
 226,227,240,241,242,243,244,245,246,247,260,261,
 262,263,264,265,266]