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%I #11 Dec 31 2023 17:15:49
%S 16,18,24,27,32,36,40,48,54,56,60,63,64,72,80,81,84,90,96,100,104,108,
%T 112,120,126,128,132,135,140,144,147,150,152,156,160,162,168,176,180,
%U 184,189,192,196,198,200,204,208,210,216,224,225,228,234,240,243,248,250,252,256,260,264,270,272,276,280,288,294,297
%N Numbers k for which A003961(k) > 4*k.
%H Robert Israel, <a href="/A337374/b337374.txt">Table of n, a(n) for n = 1..10000</a>
%H <a href="/index/Pri#prime_indices">Index entries for sequences computed from indices in prime factorization</a>
%p filter:= proc(n) local F,t;
%p F:= ifactors(n)[2];
%p mul((nextprime(t[1])/t[1])^t[2], t=F) > 4
%p end proc:
%p select(filter, [$1..1000]); # _Robert Israel_, Dec 31 2023
%o (PARI)
%o A003961(n) = { my(f = factor(n)); for(i=1, #f~, f[i, 1] = nextprime(f[i, 1]+1)); factorback(f); };
%o isA337374(n) = (A003961(n) > (4*n));
%Y Cf. A003961.
%Y Subsequence of A337373, and of A246282.
%K nonn
%O 1,1
%A _Antti Karttunen_, Aug 26 2020
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