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A041181 as a simple table

na(n)
01
120
2401
38040
4161201
53232060
664802401
71299280080
826050404001
9522307360100
1010472197606001
11209966259480120
124209797387208401
1384405914003648140
141692328077460171201
1533930967463207072160
16680311677341601614401

[1,20,401,8040,161201,3232060,64802401,1299280080,
 26050404001,522307360100,10472197606001,
 209966259480120,4209797387208401,
 84405914003648140,1692328077460171201,
 33930967463207072160,680311677341601614401]