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%I #10 Mar 21 2017 11:09:24
%S 1,3,7,11,31,59,127,251,377,433,1019,1969,2047,3449,4091,8191,11327,
%T 15737,16379,32689,36737,64889,65531
%N Numbers n such that the Stern polynomial B(n,x) is irreducible and self-reciprocal.
%C This appears to be numbers of the forms 4^k-5 for k>1, 2^p-1 for odd primes, and 377, 433, 1969, 3449, 11327,....
%F Intersection of A186890 and A186891.
%Y Cf. A186890, A186891.
%K nonn
%O 1,2
%A _T. D. Noe_, Feb 28 2011
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