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A161633 as a simple table

na(n)
01
11
24
327
4268
53525
657966
71146061
826500552
9702069129
1020974309210
11697754762001
1225584428686620
131025230366195789
1444579963354153878
152090676600895922565
16105191995364927688976
175652501986238910061073
18323083811850594613809714
1919573120681427758058921881

[1,1,4,27,268,3525,57966,1146061,26500552,
 702069129,20974309210,697754762001,25584428686620,
 1025230366195789,44579963354153878,
 2090676600895922565,105191995364927688976,
 5652501986238910061073,323083811850594613809714,
 19573120681427758058921881]