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Search: id:A046274
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A046274 Largest prime substring in 8^n (0 if none). +0
3
0, 0, 0, 5, 409, 7, 2621, 971, 1677721, 1342177, 107, 89, 6871947673, 54975581, 4398046511, 883, 28147497671, 2251799813, 180143985094819, 1518807585587, 46068469, 3685477, 629483, 9029581035870565171, 472236648286964521369 (list; graph; listen)
OFFSET

0,4
CROSSREFS

Cf. A046266.

Adjacent sequences: A046271 A046272 A046273 this_sequence A046275 A046276 A046277

Sequence in context: A079011 A128866 A075769 this_sequence A038003 A054332 A055305

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 15 1998.

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.

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