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A271442 as a simple table

na(n)
02
11
250
322100
46409000
532045000
61185665000
711856650000
8628402450000
91169065690000
1016338463700000
1181692318500000
12875993015300000
131388769414500000
148054862604100000
1588701519427300000
16443507597136500000
1780548626041000000

[2,1,50,22100,6409000,32045000,1185665000,
 11856650000,628402450000,1169065690000,
 16338463700000,81692318500000,875993015300000,
 1388769414500000,8054862604100000,
 88701519427300000,443507597136500000,
 80548626041000000]