cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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

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%I A157183 #7 May 04 2025 14:37:23
%S A157183 2909,4349,8093,24329,57593,72893,93629,224669,324893,331769,404489,
%T A157183 562493,608393,1166393,1742393,1822493,4137149,4639709,5788829,
%U A157183 7289993,7617593,10265609,10497593,10929629,12110393,12362249,14107529,14243069
%N A157183 Primes in A028883, p=m^2-7, such that following prime is m^2+1.
%C A157183 A subset of { A028883(n) | A028882(n) is in A005574 }.
%o A157183 (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 A157183 nonn
%O A157183 1,1
%A A157183 _M. F. Hasler_, Mar 14 2009