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A175400 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
101
111
121
131
141
151
161
171
181
191
201
212
224
238
241
259
261
271
281
2932
301
313
329
331
348
351
361
371
381
391
401
414
421
431
441
451
461
471
481
491
501

[0,1,2,3,4,5,6,7,8,9,1,1,1,1,1,1,1,1,1,1,1,2,4,8,
 1,9,1,1,1,32,1,3,9,1,8,1,1,1,1,1,1,4,1,1,1,1,1,1,
 1,1,1]