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A223237 as a simple table

na(n)
120736
2142805
326157625
42191464605
5266409703885
627049155640325
73010781803380625
8319668431152592585
934788800528856366205
103737470592349481922045
11404261376372354175571785

[20736,142805,26157625,2191464605,266409703885,
 27049155640325,3010781803380625,
 319668431152592585,34788800528856366205,
 3737470592349481922045,404261376372354175571785]