Smallest integer k such that 2^n is the largest power of two that is contained in 2^k as a proper substring.

A046300

Smallest integer k such that 2^n is the largest power of two that is contained in 2^k as a proper substring.

Terms

    a(0) =4a(1) =5a(2) =6a(3) =7a(4) =14a(5) =15a(6) =26a(7) =102a(8) =108a(9) =109a(10) =224a(11) =103a(12) =104a(13) =105a(14) =506a(15) =507a(16) =452a(17) =1169a(18) =1170a(19) =1171a(20) =8228a(21) =10419a(22) =15186a(23) =5227a(24) =16619a(25) =16620a(26) =16621a(27) =25102a(28) =130090a(29) =62640

External references