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A069226 gcd(n, 2^n + 1). 0
1, 1, 3, 1, 1, 1, 1, 1, 9, 5, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 27, 1, 1, 5, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 9, 1, 1, 1, 1, 25, 3, 1, 1, 1, 11, 1, 3, 1, 1, 1, 1, 1, 9, 1, 1, 1, 1, 17, 3, 5, 1, 1, 1, 1, 3, 1, 1, 13, 1, 1, 81, 1, 1, 1, 1, 1, 3, 1, 1, 5, 1, 1, 3, 1, 1, 1, 1, 1, 9, 1 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

CROSSREFS

Cf. A014491, A049095, A049096.

Sequence in context: A046535 A135939 A061653 * A016565 A051714 A023593

Adjacent sequences:  A069223 A069224 A069225 * A069227 A069228 A069229

KEYWORD

nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Apr 12 2002

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Last modified February 15 21:27 EST 2012. Contains 205859 sequences.