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 A259711 Numbers that can be written as a product of Catalan numbers. 2
 1, 2, 4, 5, 8, 10, 14, 16, 20, 25, 28, 32, 40, 42, 50, 56, 64, 70, 80, 84, 100, 112, 125, 128, 132, 140, 160, 168, 196, 200, 210, 224, 250, 256, 264, 280, 320, 336, 350, 392, 400, 420, 429, 448, 500, 512, 528, 560, 588, 625, 640, 660, 672, 700, 784, 800, 840 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS David A. Corneth, Table of n, a(n) for n = 1..10000 Eric Weisstein's World of Mathematics, Catalan Number EXAMPLE 70 = 5*14 = C(3)*C(4). - David A. Corneth, Mar 26 2021 CROSSREFS Cf. A000108, A001013, A003046, A005568, A014228, A259711, A342288. Sequence in context: A174989 A190809 A067941 * A182195 A092265 A262937 Adjacent sequences:  A259708 A259709 A259710 * A259712 A259713 A259714 KEYWORD nonn AUTHOR Ilya Gutkovskiy, Apr 14 2020 STATUS approved

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Last modified June 14 09:06 EDT 2021. Contains 345018 sequences. (Running on oeis4.)