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a(n) = A007088(A154473(n))
2

%I #2 Mar 31 2012 13:21:18

%S 1101001010,10101101010010,11001110010010,1011011100100010,

%T 1110111001000010,1101110010001110111001000100,

%U 10111001001101110010011101110010001000

%N a(n) = A007088(A154473(n))

%C This sequence gives the parenthesis expressions shown at the upper right corner image of the page 103 of NKS, with left brackets (black squares) converted to 1's and right brackets (white squares) converted to 0's. Compare to A080070, A122242, A122245.

%H S. Wolfram, <a href="http://www.wolframscience.com/nksonline/page-102">A New Kind of Science, Wolfram Media Inc., (2002), p. 102</a>, <a href="http://www.wolframscience.com/nksonline/page-103">p. 103</a> and pages 104, 896-898.

%K nonn,base

%O 0,1

%A _Antti Karttunen_, Jan 11 2009