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A071051 Number of 1's in n-th row of triangle in A071035. +0
1
1, 3, 4, 7, 4, 8, 8, 15, 4, 8, 8, 16, 8, 16, 16, 31, 4, 8, 8, 16, 8, 16, 16, 32, 8, 16, 16, 32, 16, 32, 32, 63, 4, 8, 8, 16, 8, 16, 16, 32, 8, 16, 16, 32, 16, 32, 32, 64, 8, 16, 16, 32, 16, 32, 32, 64, 16, 32, 32, 64, 32, 64, 64, 127, 4, 8, 8, 16, 8, 16, 16, 32, 8, 16 (list; graph; listen)
OFFSET

0,2

REFERENCES

S. Wolfram, A New Kind of Science, Wolfram Media, 2002; Chapter 3.

LINKS

Index entries for sequences related to cellular automata

FORMULA

a(2n)=a(n)+A036987(n); a(2n+1)=a(n)+2*2^A000120(n) - Benoit Cloitre (benoit7848c(AT)orange.fr), Sep 22 2003

CROSSREFS

Cf. A001316.

Sequence in context: A089961 A161775 A109823 this_sequence A163830 A050197 A003975

Adjacent sequences: A071048 A071049 A071050 this_sequence A071052 A071053 A071054

KEYWORD

nonn

AUTHOR

Hans Havermann (pxp(AT)rogers.com), May 26 2002

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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