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A307019 as a simple table

na(n)
16350400
243560000
3635040000
4768398400
54356000000
642033200400
755847142400
863504000000
964780430400
1072694944400
1176839840000
1278243278400
13234101145600
14435600000000
154203320040000
165086017248400
175584714240000
186350400000000
196363107150400
206478043040000
216757504230400

[6350400,43560000,635040000,768398400,4356000000,
 42033200400,55847142400,63504000000,64780430400,
 72694944400,76839840000,78243278400,234101145600,
 435600000000,4203320040000,5086017248400,
 5584714240000,6350400000000,6363107150400,
 6478043040000,6757504230400]