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A197129 as a simple table

na(n)
11
24
39
410
540
690
7100
8400
9900
101000
111111
121224
131242
141339
151393
161422
171933
182124
192142
202214
212241
222412
232421
243139
253193
263319
273391
283913
293931
304000
314122
324212
334221
344444
354669
364696
374966
386469
396496
406649
416694
426946
436964
449000
459133
469313

[1,4,9,10,40,90,100,400,900,1000,1111,1224,1242,
 1339,1393,1422,1933,2124,2142,2214,2241,2412,2421,
 3139,3193,3319,3391,3913,3931,4000,4122,4212,4221,
 4444,4669,4696,4966,6469,6496,6649,6694,6946,6964,
 9000,9133,9313]