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A204061 as a simple table

na(n)
01
11
25
321
4101
5501
62561
713345
870561
9377281
102035285
1111059205
1260454005
13332138405
141832677185
1510150115201
1656398558081
17314273655745
181755700634981
199830544087221
2055155558312901
21310027473436821
221745567243959105
239843160519978401
2455582528404717601

[1,1,5,21,101,501,2561,13345,70561,377281,2035285,
 11059205,60454005,332138405,1832677185,
 10150115201,56398558081,314273655745,
 1755700634981,9830544087221,55155558312901,
 310027473436821,1745567243959105,9843160519978401,
 55582528404717601]