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A069629 as a simple table

na(n)
12
223
3223
42237
532237
63223709
763223709
86322370909
966322370909
106632237090903
1136632237090903
123663223709090329
1373663223709090329
14736632237090903299
155736632237090903299
16573663223709090329963

[2,23,223,2237,32237,3223709,63223709,6322370909,
 66322370909,6632237090903,36632237090903,
 3663223709090329,73663223709090329,
 736632237090903299,5736632237090903299,
 573663223709090329963]