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A049703 as a simple table

na(n)
00
11
22
34
47
512
618
727
838
952
1068
1189
12112
13141
14173
15209
16249
17297
18348
19408
20472
21542
22617
23703
24793
25893
26999
271114
281235
291370
301509
311663
321825
331997
342177
352369
362567
372783
383008
393245
403490
413755
424026
434318

[0,1,2,4,7,12,18,27,38,52,68,89,112,141,173,209,
 249,297,348,408,472,542,617,703,793,893,999,1114,
 1235,1370,1509,1663,1825,1997,2177,2369,2567,2783,
 3008,3245,3490,3755,4026,4318]