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A027464 as a simple table

na(n)
38
4175
539743
660333
728400079
8292420227
99723178009
1011596904605
1117970237912815
1220530907592845
1350764671209056505
1456436971899092485
1562109279389181725
16542166878698918075
172885442896258516289275
183106224746146152726675
1922811796735204826462092225

[8,175,39743,60333,28400079,292420227,9723178009,
 11596904605,17970237912815,20530907592845,
 50764671209056505,56436971899092485,
 62109279389181725,542166878698918075,
 2885442896258516289275,3106224746146152726675,
 22811796735204826462092225]