Smallest numbers k such that 2^k-1 when written in ternary contains its least significant zero in position n.

A391268

Smallest numbers k such that 2^k-1 when written in ternary contains its least significant zero in position n.

Terms

    a(0) =2a(1) =7a(2) =5a(3) =9a(4) =27a(5) =69a(6) =89a(7) =45a(8) =155a(9) =159a(10) =305a(11) =945a(12) =1473a(13) =1149a(14) =267a(15) =135a(16) =101a(17) =6749a(18) =18281a(19) =9011a(20) =5123a(21) =7791a(22) =23249a(23) =134043a(24) =32229a(25) =143a(26) =95087a(27) =174843a(28) =21527a(29) =380843

External references