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.

A079740 Primes of the form x^2 + y^2 + 2 (x,y positive).

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%I A079740 #10 Jul 02 2025 16:02:01
%S A079740 7,19,31,43,47,67,103,127,139,151,199,223,227,263,271,283,307,367,379,
%T A079740 463,479,487,523,547,571,587,607,619,631,643,659,691,727,787,811,823,
%U A079740 859,883,907,911,967,983,1019,1039,1051,1063,1231,1279,1291,1303,1307
%N A079740 Primes of the form x^2 + y^2 + 2 (x,y positive).
%p A079740 S := {}: for x from 1 to 100 do for y from 1 to 100 do S := S union {x^2+y^2+2} od:od:S := sort(convert(S, list)): for i from 1 to 500 do if isprime(S[i]) then printf(`%d,`,S[i]) fi:od: # _James Sellers_, Feb 25 2003
%Y A079740 Cf. A079545, A079739.
%K A079740 nonn,easy
%O A079740 1,1
%A A079740 _N. J. A. Sloane_, Feb 18 2003
%E A079740 More terms from _James Sellers_, Feb 25 2003