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A064697 Numbers n such that A064696(n) = n-1. +0
2
2, 17, 19, 23, 29, 47, 59, 61, 97, 1019, 1021, 1033, 1051, 1063, 1087, 1091, 1153, 1193, 1229 (list; graph; listen)
OFFSET

1,1
FORMULA

It appears that these are all primes.

CROSSREFS

Sequence in context: A153652 A032936 A106849 this_sequence A038980 A074857 A133247

Adjacent sequences: A064694 A064695 A064696 this_sequence A064698 A064699 A064700

KEYWORD

nonn

AUTHOR

Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Oct 10 2001

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

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