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A272154 as a simple table

na(n)
01
18
244
3220
4900
53776
615392
762128
8250116
91001704
104007524
1116042116
1264173160
13256653648
141026693944
154106769456

[1,8,44,220,900,3776,15392,62128,250116,1001704,
 4007524,16042116,64173160,256653648,1026693944,
 4106769456]