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Search: id:A086878
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A086878 Numbers n such that A003313(n)=A003313(2n). +0
8
191, 701, 743, 1111, 1389, 1479, 2103, 2215, 2375, 2681, 2951, 4281, 4423, 4491, 4743, 5337, 5517, 5895, 6319, 6367, 6491, 6703, 6751, 7247, 7319, 7463, 7481, 7571, 7751, 7909, 7993, 8043, 8083, 8269, 8425, 8537, 8839, 8853, 8971, 9479, 10481 (list; graph; listen)
OFFSET

1,1

REFERENCES

E. G. Thurber, Addition chains and solutions of l(2n)=l(n) and l(2^n-1)=n+l(n)-1, Discrete Math., Vol. 16 (1976), 279-289.

CROSSREFS

Cf. A003313.

Sequence in context: A142677 A142562 A142619 this_sequence A082445 A108848 A052165

Adjacent sequences: A086875 A086876 A086877 this_sequence A086879 A086880 A086881

KEYWORD

nonn

AUTHOR

Pontus von Bromssen (pontus.von.bromssen(AT)gmail.com)

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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