Numbers n with k divisors such that n-1 and n+1 in binary representation have same number k of 0's as 1's.
A191369
Numbers n with k divisors such that n-1 and n+1 in binary representation have same number k of 0's as 1's.
Terms
- a(0) =11a(1) =155a(2) =203a(3) =2164a(4) =2228a(5) =2252a(6) =2276a(7) =2348a(8) =2404a(9) =2452a(10) =2468a(11) =2588a(12) =2612a(13) =2636a(14) =2644a(15) =2675a(16) =2708a(17) =2763a(18) =2836a(19) =2891a(20) =2979a(21) =3148a(22) =3179a(23) =3236a(24) =3275a(25) =3283a(26) =3411a(27) =3475a(28) =3716a(29) =3971
External references
- oeis: A191369