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A348847 as a simple table

na(n)
11
22
34
48
516
636
7144
8576
9900
103600
1114400
1232400
13129600
14435600
156969600
168643600
1734574400
1877792400
19311169600
202498000400
212800526400
227779240000
239992001600
2422482003600

[1,2,4,8,16,36,144,576,900,3600,14400,32400,
 129600,435600,6969600,8643600,34574400,77792400,
 311169600,2498000400,2800526400,7779240000,
 9992001600,22482003600]