Smallest k such that k^3 + 17 is divisible by 3^n.

Terms

a(0) =1a(1) =1a(2) =4a(3) =4a(4) =58a(5) =139a(6) =139a(7) =1597a(8) =1597a(9) =8158a(10) =8158a(11) =67207a(12) =67207a(13) =598648a(14) =2192971a(15) =6975940a(16) =21324847a(17) =21324847a(18) =21324847a(19) =408745336a(20) =1571006803a(21) =8544575605a(22) =29465282011a(23) =29465282011a(24) =217751639665a(25) =500181176146