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A121306 as a simple table

na(n)
02
12
23
32
45
54
62
77
89
95
102
119
1216
1314
146
152
1611
1725
1830
1920
207
212
2213
2336
2455
2550
2627
278
282
2915
3049
3191
32105
3377
3435
359
362
3717
3864
39140
40196
41182
42112
4344
4410
4519
4681
47204
48336
49378
50294
51156
5254
53100
54285
55540
56714
57672
58450
59210
60385
61825
621254
631386
641122

[2,2,3,2,5,4,2,7,9,5,2,9,16,14,6,2,11,25,30,20,7,
 2,13,36,55,50,27,8,2,15,49,91,105,77,35,9,2,17,64,
 140,196,182,112,44,10,19,81,204,336,378,294,156,
 54,100,285,540,714,672,450,210,385,825,1254,1386,
 1122]