Integers k such that 2^k-1 has 0 as its second-most significant digit in base k.

A385924

Integers k such that 2^k-1 has 0 as its second-most significant digit in base k.

Terms

    a(0) =10a(1) =19a(2) =39a(3) =181a(4) =493a(5) =941a(6) =2454a(7) =16111a(8) =30730a(9) =416488a(10) =1433896a(11) =1663074

External references