A059159 A hierarchical sequence (W'2{2}*c) - see A059126.

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

Links

Table of n, a(n) for n=1..91.

J. Wallgren, Hierarchical sequences

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: A278676 A010298 A196177 * A028587 A087260 A019254

Adjacent sequences: A059156 A059157 A059158 * A059160 A059161 A059162

Keyword

easy,nonn

Author

Jonas Wallgren, Feb 02 2001

Status

approved