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A168871 as a simple table

na(n)
01
150
22450
3120050
45882450
5288240050
614123762450
7692064360050
833911153642450
91661646528480050
1081420679895522450
113989613314880600050
12195491052429149402450
139579061569028320720050
14469374016882387715282450

[1,50,2450,120050,5882450,288240050,14123762450,
 692064360050,33911153642450,1661646528480050,
 81420679895522450,3989613314880600050,
 195491052429149402450,9579061569028320720050,
 469374016882387715282450]