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A308683 as a simple table

na(n)
117042641441
2180383003522
3231242161921
4313187053922
5349881182161
6717767333521
7740230547281
8907336510801
91080505860722
101646310367681
111682581387922
121896109379522
132638936079522
142919248012401
153121595927522

[17042641441,180383003522,231242161921,
 313187053922,349881182161,717767333521,
 740230547281,907336510801,1080505860722,
 1646310367681,1682581387922,1896109379522,
 2638936079522,2919248012401,3121595927522]