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.

A317091 Positive integers whose prime multiplicities are weakly increasing and span an initial interval of positive integers.

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%I A317091 #9 Nov 10 2021 07:07:28
%S A317091 2,3,5,6,7,10,11,13,14,15,17,18,19,21,22,23,26,29,30,31,33,34,35,37,
%T A317091 38,39,41,42,43,46,47,50,51,53,55,57,58,59,61,62,65,66,67,69,70,71,73,
%U A317091 74,75,77,78,79,82,83,85,86,87,89,91,93,94,95,97,98,101,102
%N A317091 Positive integers whose prime multiplicities are weakly increasing and span an initial interval of positive integers.
%H A317091 Amiram Eldar, <a href="/A317091/b317091.txt">Table of n, a(n) for n = 1..10000</a>
%t A317091 normalQ[m_]:=Union[m]==Range[Max[m]];
%t A317091 Select[Range[2,150],And[normalQ[FactorInteger[#][[All,2]]],OrderedQ[FactorInteger[#][[All,2]]]]&]
%Y A317091 Cf. A001222, A007916, A055932, A056239, A112798, A124010, A133808, A304678.
%Y A317091 Cf. A317087, A317088, A317089, A317090, A317092.
%K A317091 nonn
%O A317091 1,1
%A A317091 _Gus Wiseman_, Jul 21 2018