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Search: id:A085468
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| A085468 |
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Odd n such that there is at least one k dividing (n-1)!-1 (n<=k<=2n). |
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+0
1
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| 1, 43, 45, 47, 49, 53, 97, 99, 121, 123, 169, 237, 273, 319, 329, 343, 367, 369, 375, 499, 533, 573, 581, 611, 617
(list; graph; listen)
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OFFSET
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1,2
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PROGRAM
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(PARI) for(n=1, 650, if(sum(k=n, 2*n, if(((n-1)!-1)%k, 0, 1))>0, if(n%2==1, print1(n, ", "))))
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CROSSREFS
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Sequence in context: A165864 A020442 A041923 this_sequence A113819 A045144 A105375
Adjacent sequences: A085465 A085466 A085467 this_sequence A085469 A085470 A085471
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KEYWORD
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nonn
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AUTHOR
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Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 14 2003
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