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A262531 as a simple table

na(n)
21300031
310130003101
4171013000310171
591710130003101719
63917101300031017193
716391710130003101719361
810116391710130003101719361101
9191011639171013000310171936110191
1091910116391710130003101719361101919
11119191011639171013000310171936110191911

[1300031,10130003101,171013000310171,
 91710130003101719,3917101300031017193,
 16391710130003101719361,
 10116391710130003101719361101,
 191011639171013000310171936110191,
 91910116391710130003101719361101919,
 119191011639171013000310171936110191911]