A062777 - OEIS

%I #17 Aug 18 2024 03:55:25

%S 1,5,9,16,33,63,129,256,512,1023,2049,4096,8193,16383,32767,65536,

%T 131073,262144,524289,1048576,2097151,4194303,8388609,16777216,

%U 33554432,67108863,134217728,268435456,536870913,1073741825,2147483649

%N a(n) = 2^n - mu(n).

%F a(n) = A000079(n) - A008683(n).

%o (PARI) vector(50, n, 2^n-moebius(n))

%Y Cf. A000079, A008683.

%K easy,nonn

%O 1,2

%A _Jason Earls_, Jul 18 2001

%E More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 29 2003