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 A176620 #9 Sep 13 2019 08:04:21 %S A176620 7,11,13,19,31,37,41,47,59,61,67,73,79,97,103,107,109,127,131,137,151, %T A176620 157,167,173,179,181,191,193,199,211,223,227,229,233,239,241,251,271, %U A176620 283,307,313,331,367,379,397,409,419,421,431,433,439,443,457,463,487 %N A176620 Primes p for which the factorization of p! over distinct terms of A050376 does not contain 2. %C A176620 Equivalent definition: primes p for which A007814(p!) is even. Apparently, the sequence is A027697 without the 2 (see A014499). [_R. J. Mathar_, Oct 26 2010] %H A176620 Amiram Eldar, <a href="/A176620/b176620.txt">Table of n, a(n) for n = 1..10000</a> %t A176620 Select[Range[500], PrimeQ[#] && EvenQ @ IntegerExponent[#!, 2] &] (* _Amiram Eldar_, Sep 13 2019 *) %Y A176620 Cf. A050376, A000040, A000142. %K A176620 nonn %O A176620 1,1 %A A176620 _Vladimir Shevelev_, Apr 22 2010 %E A176620 Corrected (37 added, 41 added, 43 removed...) and extended by _R. J. Mathar_, Oct 26 2010