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A109941 as a simple table

na(n)
145
22430
3165150
412370500
5989955000
682499850000
77071428928571
8618749955000000
955000000350000000
104949999995500000000
11449999999955000000000
1241250000000150000000000
133807692307689192307692307
14353571428571466428571428572
1532999999999999850000000000000

[45,2430,165150,12370500,989955000,82499850000,
 7071428928571,618749955000000,55000000350000000,
 4949999995500000000,449999999955000000000,
 41250000000150000000000,3807692307689192307692307,
 353571428571466428571428572,
 32999999999999850000000000000]