A058767 - OEIS

%I #15 Aug 13 2022 17:59:02

%S 2,4,12,52,100,108,160,2940,2964,17334,21768,41604,65208,72780

%N Numbers k such that k*2^(k/2) + 1 is prime.

%D Posting to NMBRTHRY(AT)LISTSERV.NODAK.EDU by _Mike Oakes_ Dec 30 2000 entitled "Gaussian analogues of the Cullen and Woodall primes."

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

%t Do[ If[ PrimeQ[ n*2^(n/2) + 1 ], Print[n] ], {n, 1, 100000} ]

%K nonn

%O 1,1

%A _Robert G. Wilson v_, Jan 02 2001

%E Name corrected to match terms by _Sean A. Irvine_, Aug 13 2022