A062777 a(n) = 2^n - mu(n).

1, 5, 9, 16, 33, 63, 129, 256, 512, 1023, 2049, 4096, 8193, 16383, 32767, 65536, 131073, 262144, 524289, 1048576, 2097151, 4194303, 8388609, 16777216, 33554432, 67108863, 134217728, 268435456, 536870913, 1073741825, 2147483649

Offset

1,2

Links

Table of n, a(n) for n=1..31.

Formula

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

Prog

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

Crossrefs

Cf. A000079, A008683.

Sequence in context: A352665 A218611 A208669 * A215331 A208725 A362108

Adjacent sequences: A062774 A062775 A062776 * A062778 A062779 A062780

Keyword

easy,nonn

Author

Jason Earls, Jul 18 2001

Extensions

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

Status

approved