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A071046 Number of 0's in n-th row of triangle in A071031. 0
0, 0, 2, 1, 4, 3, 4, 5, 7, 5, 8, 8, 9, 9, 11, 10, 13, 12, 13, 14, 16, 14, 17, 17, 18, 18, 20, 19, 22, 21, 22, 23, 25, 23, 26, 26, 27, 27, 29, 28, 31, 30, 31, 32, 34, 32, 35, 35, 36, 36, 38, 37, 40, 39, 40, 41, 43, 41, 44, 44, 45, 45, 47, 46, 49, 48, 49, 50, 52, 50, 53 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

REFERENCES

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

LINKS

Index entries for sequences related to cellular automata

FORMULA

G.f.: (x^6+x^5+4x^4+x^3+2x^2)/[(1-x^3)(1-x^4)].

CROSSREFS

Sequence in context: A130973 A093779 A116449 * A144334 A141210 A107640

Adjacent sequences:  A071043 A071044 A071045 * A071047 A071048 A071049

KEYWORD

nonn

AUTHOR

Hans Havermann (gladhobo(AT)teksavvy.com), May 26 2002

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.