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Search: id:A078433
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A078433 Number of permutations p of 1,2,...,n such that the numerator of the continued fraction [p(1); p(2),...,p(n)] is prime. +0
3
0, 2, 2, 10, 30, 124, 992, 5700, 39844 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A078432, A078431.

Sequence in context: A102345 A151364 A001885 this_sequence A059494 A052647 A032034

Adjacent sequences: A078430 A078431 A078432 this_sequence A078434 A078435 A078436

KEYWORD

more,nonn

AUTHOR

Reiner Martin (reinermartin(AT)hotmail.com), Dec 30 2002

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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