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A230692 as a simple table

na(n)
121
2144
39430
4442490
518880359
6845419469
737380126077
81652305192566
973119827289165
103234539964921524
11143088660860878306
126330053685562920899
13280030245168413301473
1412388059947078673447146
15548026781823813712246076

[21,144,9430,442490,18880359,845419469,
 37380126077,1652305192566,73119827289165,
 3234539964921524,143088660860878306,
 6330053685562920899,280030245168413301473,
 12388059947078673447146,548026781823813712246076]