cp's OEIS Frontend

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.

A328737 Numbers k such that at least one of sopfr(k-1) and sopfr(k+1) is greater than or equal to 3*sopfr(k).

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%I A328737 #19 Dec 02 2019 13:51:55
%S A328737 30,32,36,40,42,48,52,54,60,66,68,70,72,75,78,80,81,84,88,90,96,98,
%T A328737 100,102,104,105,108,110,112,114,117,126,128,130,132,135,136,138,140,
%U A328737 143,147,148,150,152,156,160,162,164,165,168,172,174,176,180
%N A328737 Numbers k such that at least one of sopfr(k-1) and sopfr(k+1) is greater than or equal to 3*sopfr(k).
%C A328737 k-1 or k+1 or both have sums of prime factors at least 3 times the sum of prime factors of k.
%Y A328737 Cf. A001414, A328736, A328738.
%K A328737 nonn
%O A328737 1,1
%A A328737 _Robert Bilinski_, Oct 26 2019