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A143011 as a simple table

na(n)
01
161
21441
317861
4142001
5819005
63713305
713980205
845432805
9131091505
10342981013
11826861993
121859914733
133942293993
147937011013
1515276834025
1628261896025
1750477521525
1887368496025
19147013666525
20241153442041
21386532523301
22606631094081
23933869816501

[1,61,1441,17861,142001,819005,3713305,13980205,
 45432805,131091505,342981013,826861993,1859914733,
 3942293993,7937011013,15276834025,28261896025,
 50477521525,87368496025,147013666525,241153442041,
 386532523301,606631094081,933869816501]