%I #12 Dec 04 2023 01:49:58
%S 3,19,29,31,37,47,53,59,83,103,109,113,131,137,139,149,167,193,197,
%T 199,223,227,233,251,271,277,281,283,307,311,317,337,367,373,383,389,
%U 401,419,421,439,449,457,467,479,503,523,541,557,563,569,587,607,613
%N Rational primes that decompose in the field Q(sqrt(7)).
%H Robert Price, <a href="/A296934/b296934.txt">Table of n, a(n) for n = 1..9980</a>
%H <a href="/index/Pri#primes_decomp_of">Index to sequences related to decomposition of primes in quadratic fields</a>
%p Load the Maple program HH given in A296920. Then run HH(5, 200); This produces A296934, A003632, A038878.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Dec 26 2017