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.
%I A182375 #7 Mar 15 2025 10:15:43
%S A182375 2,4,5,14,16,17,34,38,133,175,218,284,1036,1441,1550,2893,2933,3770
%N A182375 Positive integers k such that k*2^k - 3 is prime.
%C A182375 Similar to the Woodall primes, A050918.
%C A182375 The next term in this sequence is unknown; if it is infinite, the next term is greater than 8000.
%e A182375 5 = 2*2^2 - 3; 61 = 4*2^4 - 3; 157 = 5*2^5 - 3
%p A182375 f:=n->n*2^n - 3:
%p A182375 S:={}:
%p A182375 for n from 0 to 300 do if(isprime(f(n))) then S:=S union {n}: fi: od
%Y A182375 Cf. A050918. Values for primes are A182352.
%K A182375 nonn
%O A182375 1,1
%A A182375 _Patrick Devlin_, Apr 26 2012