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 A097619 #9 Mar 07 2015 00:12:04 %S A097619 4,6,8,12,16,18,20,24,30,32,36,40,42,48,50,52,54,56,60,64,66,68,70,72, %T A097619 78,80,84,88,90,92,96,100,102,104,108,110,112,114,120,126,128,130,132, %U A097619 138,140,144,150,152,156,160,162,168,176,180,182,184,186,189,192,196 %N A097619 Numbers having more prime factors than each of their neighbors. %C A097619 Even terms are much more frequent. Among first 10000 terms exactly 612 are odd. First odd terms are 189, 243, 315, 405, 525, 567, 675; corresponding indices are 58, 77, 102, 130, 169, 182, 216. - _Zak Seidov_, Mar 06 2015 %H A097619 Zak Seidov, <a href="/A097619/b097619.txt">Table of n, a(n) for n = 1..10000</a> %e A097619 A001222(50)=A001222(2*5*5)=3 > A001222(50-1)=A001222(7*7)=2 and A001222(50) > A001222(50+1)=A001222(3*17)=2, therefore 50 is a term. %Y A097619 Cf. A097620, A076082, A001222. %K A097619 nonn %O A097619 1,1 %A A097619 _Reinhard Zumkeller_, Aug 17 2004