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A157183 Primes in A028883, p=m^2-7, such that following prime is m^2+1. 2

%I #3 Jul 14 2012 11:32:24

%S 2909,4349,8093,24329,57593,72893,93629,224669,324893,331769,404489,

%T 562493,608393,1166393,1742393,1822493,4137149,4639709,5788829,

%U 7289993,7617593,10265609,10497593,10929629,12110393,12362249,14107529,14243069

%N Primes in A028883, p=m^2-7, such that following prime is m^2+1.

%C A subset of { A028883(n) | A028882(n) is in A005574 }.

%o (PARI) forstep( m=4,10^4,2, ispseudoprime( m^2-7 )|next; ispseudoprime( m^2+1 )|next; nextprime(m^2-5)==(m^2+1) & print1(m^2-7,","))

%K nonn

%O 1,1

%A _M. F. Hasler_, Mar 14 2009

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Last modified March 19 04:58 EDT 2024. Contains 370952 sequences. (Running on oeis4.)