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Search: id:A078432
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A078432 Number of permutations p of 1,2,...,n such that the denominator of the continued fraction [p(1); p(2),...,p(n)] is prime. +0
3
0, 1, 4, 14, 32, 204, 994, 7526, 48636 (list; graph; listen)
OFFSET

1,3
CROSSREFS

Cf. A078431, A078433.

Sequence in context: A023627 A023649 A099590 this_sequence A124786 A011935 A032645

Adjacent sequences: A078429 A078430 A078431 this_sequence A078433 A078434 A078435

KEYWORD

more,nonn

AUTHOR

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

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

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