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A051328 Euclid-Mullin sequence (A000945) with initial value a(1)=89 instead of a(1)=2. +0
1
89, 2, 179, 3, 61, 13, 53, 5, 20086919971, 14911308271, 6016479583547124128827234315771, 9697, 23, 31, 17, 4229, 7937, 22739, 7043, 11, 163, 19, 41, 227399, 73, 4441, 1907, 7, 2647566144823, 47, 337, 211, 1171, 404489 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

a[ n_+1 ] := First[ Flatten[ FactorInteger[ 1+Product[ a[ j ], {j, 1, n} ] ] ] ]

CROSSREFS

Cf. A000945, A000946, A005265, A005266.

Sequence in context: A093222 A114922 A036951 this_sequence A166321 A075483 A033409

Adjacent sequences: A051325 A051326 A051327 this_sequence A051329 A051330 A051331

KEYWORD

easy,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu)

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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