a(n) is the least k > 0 such that the binary representation of n appears as a substring in the binary representation of at least half of the numbers in the range 1..k.
A329735
a(n) is the least k > 0 such that the binary representation of n appears as a substring in the binary representation of at least half of the numbers in the range 1..k.
Terms
- a(0) =1a(1) =2a(2) =14a(3) =38a(4) =110a(5) =62a(6) =1006a(7) =2206a(8) =5072a(9) =21504a(10) =7114a(11) =3704a(12) =13868a(13) =4058a(14) =4067254a(15) =4384886a(16) =9535340a(17) =39157714a(18) =20466206a(19) =5565048a(20) =732167206a(21) =47755164a(22) =24722194a(23) =12837030a(24) =27081364a(25) =14017192a(26) =231845728a(27) =15111866a(28) =32273342a(29) =16292028
External references
- oeis: A329735