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 A316438 #6 Jul 04 2018 20:24:27 %S A316438 9,18,21,25,27,36,39,42,45,49,50,54,57,63,65,72,75,78,81,84,87,90,91, %T A316438 98,99,100,105,108,111,114,115,117,121,125,126,129,130,133,135,144, %U A316438 147,150,153,156,159,162,168,169,171,174,175,180,182,183,185,189,195 %N A316438 Heinz numbers of integer partitions whose product is strictly greater than the LCM of the parts. %C A316438 Also numbers n > 1 such that A290104(n) > 1. %C A316438 The Heinz number of an integer partition (y_1,...,y_k) is prime(y_1)*...*prime(y_k). %e A316438 Sequence of partitions whose product is greater than their LCM begins: (22), (221), (42), (33), (222), (2211), (62), (421), (322), (44), (331), (2221), (82), (422), (63), (22111), (332), (621), (2222), (4211). %t A316438 Select[Range[2,300],With[{pms=Flatten[Cases[FactorInteger[#],{p_,k_}:>Table[PrimePi[p],{k}]]]},Times@@pms/LCM@@pms>1]&] %Y A316438 Cf. A056239, A074761, A143773, A285572, A289508, A290103, A296150, A316429, A316431, A316433, A316437. %K A316438 nonn %O A316438 1,1 %A A316438 _Gus Wiseman_, Jul 03 2018