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A233326 as a simple table

na(n)
01
115
2113
3799
45601
539215
6274513
71921599
813451201
994158415
10659108913
114613762399
1232296336801
13226074357615
141582520503313
1511077643523199
1677543504662401
17542804532636815
183799631728457713
1926597422099203999
20186181954694428001

[1,15,113,799,5601,39215,274513,1921599,13451201,
 94158415,659108913,4613762399,32296336801,
 226074357615,1582520503313,11077643523199,
 77543504662401,542804532636815,3799631728457713,
 26597422099203999,186181954694428001]