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A155841 as a simple table

na(n)
117
247
3149
42081
58231
6140737488355469
7300613450595050653169853516389035139504087366260264943450533244356122755214669880763353471793250393988087678029

[17,47,149,2081,8231,140737488355469,
 30061345059505065316985351638903513950408736626026\
 49434505332443561227552146698807633534717932503939\
 88087678029]