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A062777
a(n) = 2^n - mu(n).
0
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
FORMULA
a(n) = A000079(n) - A008683(n).
PROG
(PARI) vector(50, n, 2^n-moebius(n))
CROSSREFS
Sequence in context: A352665 A218611 A208669 * A215331 A208725 A362108
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