login
A059146
A hierarchical sequence (W'2{2} - see A059126).
0
1, 2, 1, 4, 8, 4, 1, 2, 1, 16, 32, 16, 1, 2, 1, 4, 8, 4, 1, 2, 1, 64, 128, 64, 1, 2, 1, 4, 8, 4, 1, 2, 1, 16, 32, 16, 1, 2, 1, 4, 8, 4, 1, 2, 1, 256, 512, 256, 1, 2, 1, 4, 8, 4, 1, 2, 1, 16, 32, 16, 1, 2, 1, 4, 8, 4, 1, 2, 1, 64, 128, 64, 1, 2, 1, 4, 8, 4, 1, 2, 1, 16, 32, 16, 1, 2, 1, 4, 8, 4, 1
OFFSET
0,2
FORMULA
a(3*n) = a(3*n+2) = A006519(n)^2, a(3*n+1) = 2*a(3*n). - Sean A. Irvine, Sep 13 2022
CROSSREFS
Sequence in context: A193730 A257884 A026204 * A059148 A158451 A257706
KEYWORD
easy,nonn
AUTHOR
Jonas Wallgren, Feb 01 2001
STATUS
approved