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.

A242346 Smaller member of a Sophie Germain pair in which each member of the pair is the smallest of its prime triple (p, (p^3)+2, (p^5)+2).

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%I A242346 #23 Aug 14 2025 17:29:50
%S A242346 8629739,77115359,173508869,343621919,419597309,573556349,763154039,
%T A242346 770676239,847344419,851521949,951418229,1014432869,1252780829,
%U A242346 1260053939,1322933519,1529921909,1569236309,1861760819,1954231199,2048205689,2071334939,2583377789,2658083819
%N A242346 Smaller member of a Sophie Germain pair in which each member of the pair is the smallest of its prime triple (p, (p^3)+2, (p^5)+2).
%C A242346 Terms are congruent to -1 mod 30. - _David Radcliffe_, Aug 14 2025
%H A242346 David Radcliffe, <a href="/A242346/b242346.txt">Table of n, a(n) for n = 1..2248</a> (terms 1..40 from Abhiram R Devesh).
%e A242346 a(1): p = 8629739; (2*p)+1 = 17259479
%e A242346 Prime Triplets of the form (p,(p^3)+2,(p^5)+2): (8629739, 642677333350934910421, 47861720360612147562343307996312701 );(17259479, 5141419560476273559241, 1531575495230651978949727458917513401)
%o A242346 (Python) # See b-file.
%Y A242346 Cf. A048636, A237188, A237256.
%K A242346 nonn
%O A242346 1,1
%A A242346 _Abhiram R Devesh_, May 11 2014