OFFSET
0
COMMENTS
Similar to the Thue-Morse sequence, with the replication rule determined by the bits in A_k at each step.
The lengths of A_i's are 1, 2, 6, 42, 1806,... (A007018).
LINKS
Chai Wah Wu, Table of n, a(n) for n = 0..10000
EXAMPLE
The first few A_k are:
A_0 = 0
A_1 = 0,1
A_2 = 0,1,1,0,0,1
A_3 = 0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,0,1,1,0,0,1,1,0,0,1,1,0,1,0,0,1,1,0,0,1,1,0,0,1
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane and Chai Wah Wu, Mar 08 2016
STATUS
approved