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A103477 Apparently the sequence of positive integers n for which 1+3*2^(n+2) divides the Fermat number 1+2^2^n. +0
3
207, 157167, 213319, 382447, 2145351 (list; graph; listen)
OFFSET

1,1

LINKS

ProthSearch - Fermat

EXAMPLE

a(1)=207 because 207 is the smallest positive integer n for which 1+3*2^(n+2) divides the Fermat number 1+2^2^n

CROSSREFS

Cf. A103478 A103479.

Adjacent sequences: A103474 A103475 A103476 this_sequence A103478 A103479 A103480

Sequence in context: A080530 A045069 A052093 this_sequence A080531 A123136 A092153

KEYWORD

nonn

AUTHOR

Serhat Sevki Dincer (mesti_mudam(AT)yahoo.com), Feb 07 2005

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.


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