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A059159
A hierarchical sequence (W'2{2}*c) - see A059126.
2
4, 8, 4, 16, 4, 8, 4, 32, 4, 8, 4, 16, 4, 8, 4, 64, 4, 8, 4, 16, 4, 8, 4, 32, 4, 8, 4, 16, 4, 8, 4, 128, 4, 8, 4, 16, 4, 8, 4, 32, 4, 8, 4, 16, 4, 8, 4, 64, 4, 8, 4, 16, 4, 8, 4, 32, 4, 8, 4, 16, 4, 8, 4, 256, 4, 8, 4, 16, 4, 8, 4, 32, 4, 8, 4, 16, 4, 8, 4, 64, 4, 8, 4, 16, 4, 8, 4, 32, 4, 8, 4
OFFSET
1,1
FORMULA
a(n) = 4*A006519(n)
PROG
(PARI) a(n)=4<<valuation(n, 2) \\ Charles R Greathouse IV, Jan 06 2018
CROSSREFS
Sequence in context: A010298 A196177 A377397 * A028587 A087260 A019254
KEYWORD
easy,nonn
AUTHOR
Jonas Wallgren, Feb 02 2001
STATUS
approved