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A058770 Numbers n such that n * (1+i)^n + 1 is a Gaussian prime. 0

%I

%S 1,2,3,5,9,19,20,29,30,68,142,143,150,159,160,198,468,782,858,1100,

%T 1137,3337,3638,3909,4845,16895,21768,30349,42692,48470,65208

%N Numbers n such that n * (1+i)^n + 1 is a Gaussian prime.

%H <a href="/index/Ga#gaussians">Index entries for Gaussian integers and primes</a>

%t Do[ If[ PrimeQ[ n * (1 + I)^n + 1], Print[n] ], {n, 1, 4000} ]

%K nonn,hard

%O 1,2

%A _Robert G. Wilson v_, Jan 02 2001

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Last modified August 12 04:39 EDT 2020. Contains 336436 sequences. (Running on oeis4.)