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Search: id:A154474
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A154474 a(n) = A007088(A154473(n)) +0
3
1101001010, 10101101010010, 11001110010010, 1011011100100010, 1110111001000010, 1101110010001110111001000100, 10111001001101110010011101110010001000 (list; graph; listen)
OFFSET

0,1

COMMENT

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 this_sequence A096553 A104924 A095425

Adjacent sequences: A154471 A154472 A154473 this_sequence 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 November 25 20:09 EST 2009. Contains 167514 sequences.


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