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 A348072 #25 Jul 19 2023 07:45:57 %S A348072 9699690,11741730,13123110,14804790,15825810,16546530,17160990, %T A348072 17687670,18888870,19399380,20030010,20281170,20930910,21111090, %U A348072 21411390,21637770,21951930,23130030,23393370,23483460,23993970,24534510,25555530,25571910,26193090,26246220,26816790,26996970 %N A348072 Numbers k such that omega(k) = 8. %H A348072 David A. Corneth, <a href="/A348072/b348072.txt">Table of n, a(n) for n = 1..10000</a> %o A348072 (PARI) is(n) = omega(n) == 8 %o A348072 (PARI) A246655(lim)=my(v=List(primes([2,lim\=1]))); for(e=2,logint(lim,2), forprime(p=2,sqrtnint(lim,e), listput(v,p^e))); Set(v) %o A348072 list(lim,pr=8)=if(pr==1, return(A246655(lim))); my(v=List(),pr1=pr-1,mx=prod(i=1,pr1,prime(i))); forprime(p=prime(pr),lim\mx, my(u=list(lim\p,pr1)); for(i=1,#u,listput(v,p*u[i]))); Set(v) \\ _Charles R Greathouse IV_, Feb 03 2023 %Y A348072 Row 8 of A125666. %Y A348072 Cf. A001221, A048692. %K A348072 nonn %O A348072 1,1 %A A348072 _David A. Corneth_, Oct 10 2021