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 A163997 #14 Jul 01 2019 17:09:23 %S A163997 2,11,19,31,47,59,79,97,101,103,109,113,131,137,149,151,163,167,179, %T A163997 191,197,227,241,271,307,317,337,347,353,359,379,383,397,409,419,431, %U A163997 439,449,487,503,509,521,523,541,557,563,569,571,577,599,607,631,641,643 %N A163997 Primes with an even number of partitions. %H A163997 Harvey P. Dale, <a href="/A163997/b163997.txt">Table of n, a(n) for n = 1..1000</a> %e A163997 11 is in the sequence because the number of partitions of 11 is equal to 56 and 56 is an even number. %t A163997 Select[Prime[Range[200]],EvenQ[PartitionsP[#]]&] (* _Harvey P. Dale_, Jul 01 2019 *) %Y A163997 Cf. A000040, A000041, A001560, A163096, A163998. %K A163997 nonn %O A163997 1,1 %A A163997 _Omar E. Pol_, Aug 09 2009 %E A163997 More terms from _Sean A. Irvine_, Oct 18 2009