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A259711 Numbers that can be written as a product of Catalan numbers. 1

%I

%S 1,2,4,5,8,10,14,16,20,25,28,32,40,42,50,56,64,70,80,84,100,112,125,

%T 128,132,140,160,168,196,200,210,224,250,256,264,280,320,336,350,392,

%U 400,420,429,448,500,512,528,560,588,625,640,660,672,700,784,800,840

%N Numbers that can be written as a product of Catalan numbers.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/CatalanNumber.html">Catalan Number</a>

%Y Cf. A000108, A001013, A003046, A005568.

%K nonn

%O 1,2

%A _Ilya Gutkovskiy_, Apr 14 2020

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Last modified August 8 14:04 EDT 2020. Contains 336298 sequences. (Running on oeis4.)