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A111415 as a simple table

na(n)
01
11
227
313831
444560468289
5220167382952941205430116129
617280083176824678419775054525017769508688140582155308813842797363

[1,1,27,13831,44560468289,
 220167382952941205430116129,
 17280083176824678419775054525017769508688140582155\
 308813842797363]