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A199990 as a simple table

na(n)
125
252
3125
4152
5215
6251
7512
8521
91125
101152
111215
121251
131512
141521
152115
162151
172511
185112
195121
205211
2111125
2211152
2311215
2411251
2511512
2611521
2712115
2812151
2912511
3015112
3115121
3215211
3321115
3421151
3521511
3625111
3751112
3851121
3951211
4052111
41111125

[25,52,125,152,215,251,512,521,1125,1152,1215,
 1251,1512,1521,2115,2151,2511,5112,5121,5211,
 11125,11152,11215,11251,11512,11521,12115,12151,
 12511,15112,15121,15211,21115,21151,21511,25111,
 51112,51121,51211,52111,111125]