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A154474 a(n) = A007088(A154473(n)) 2
1101001010, 10101101010010, 11001110010010, 1011011100100010, 1110111001000010, 1101110010001110111001000100, 10111001001101110010011101110010001000 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

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.

LINKS

S. Wolfram, A New Kind of Science, Wolfram Media Inc., (2002), p. 102, p. 103 and pages 104, 896-898.

CROSSREFS

Sequence in context: A134595 A108322 A108323 * A096553 A104924 A095425

Adjacent sequences:  A154471 A154472 A154473 * A154475 A154476 A154477

KEYWORD

nonn,base

AUTHOR

Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Jan 11 2009

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Last modified February 16 19:01 EST 2012. Contains 205939 sequences.