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A059156
A hierarchical sequence (W'3{2,2}c - see A059126).
0
4, 16, 4, 64, 256, 64, 4, 16, 4, 1024, 4096, 1024, 4, 16, 4, 64, 256, 64, 4, 16, 4, 16384, 65536, 16384, 4, 16, 4, 64, 256, 64, 4, 16, 4, 1024, 4096, 1024, 4, 16, 4, 64, 256, 64, 4, 16, 4, 262144, 1048576, 262144, 4, 16, 4, 64, 256, 64, 4, 16, 4, 1024, 4096, 1024, 4
OFFSET
0,1
FORMULA
a(n) = A059148(3*n) + A059148(3*n+1) + A059148(3*n+2). - Sean A. Irvine, Sep 13 2022
CROSSREFS
Sequence in context: A232515 A010295 A059152 * A050080 A329068 A328755
KEYWORD
easy,nonn
AUTHOR
Jonas Wallgren, Feb 02 2001
STATUS
approved