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A294625 Primes of the form prime(n+2)*prime(n+1) - prime(n) +- 1. 0

%I #29 Oct 12 2018 21:12:32

%S 31,71,73,137,211,311,419,421,647,877,1117,1487,1979,2447,3079,3547,

%T 4027,7307,7309,12211,14243,18911,18913,23557,25439,28729,36683,37831,

%U 46853,50411,53129,55457,57367,60251,67339,70489,74797,89669,98909,98911

%N Primes of the form prime(n+2)*prime(n+1) - prime(n) +- 1.

%e 7*5 - 3 - 1 = 31

%e 11*7 - 5 - 1 = 71

%e 11*7 - 5 + 1 = 73

%e 13*11 - 7 + 1 = 137

%Y Cf. A000040, A001359, A006512.

%K nonn

%O 1,1

%A _Martin Michael Musatov_, Sep 14 2018

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)