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

Author

Jonas Wallgren, Feb 02 2001

Keywords

• easy
• nonn

Links

• J. Wallgren, Hierarchical sequences

Programs

PARI

a(n)=4<Charles R Greathouse IV, Jan 06 2018

Formula

a(n) = 4*A006519(n)