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A104494 Positive integers n such that n^17 + 1 is semiprime (A001358). 3
2, 58, 66, 166, 268, 270, 408, 600, 672, 808, 822, 970, 1050 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

a(n)^17 + 1 is semiprime (A001358).

EXAMPLE

2^17 + 1 = 131073 = 3 * 43691,

58^17 + 1 = 951208868148684143308060622849 = 59 * 16122184205909900734034925811,

66^17 + 1 = 8555529718761317069203003539457 = 67 * 127694473414348015958253784171,

1050^17 + 1 = 2292018317801032401637344360351562500000000000000001 = 1051 * 2180797638250268698037435166842590390104662226451.

CROSSREFS

Cf. A000040, A001358, A006313, A103854, A104238, A104335, A105041, A105066, A105078, A105122, A105142, A105237, A104479.

Sequence in context: A024237 A030263 A090743 * A121931 A156507 A115610

Adjacent sequences:  A104491 A104492 A104493 * A104495 A104496 A104497

KEYWORD

easy,nonn

AUTHOR

Jonathan Vos Post (jvospost3(AT)gmail.com), Apr 19 2005

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Last modified February 14 23:44 EST 2012. Contains 205689 sequences.