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A082211 a(1) = 1, a(n) = smallest number such that the concatenation of a(n-1) and a(n) is a cube. 1

%I #4 Dec 05 2013 19:56:04

%S 1,25,15456,856771,369216560433,53121926897620104346304,

%T 90882884027544851535943365261597107391586118375,

%U 9624549613872381609002304614805220202214759532051700745455175806642907633107839483603609592

%N a(1) = 1, a(n) = smallest number such that the concatenation of a(n-1) and a(n) is a cube.

%e a(2) = 25 hence a(3) = 15456 and 2515456 = 136^3.

%Y Cf. A082212.

%K base,nonn

%O 1,2

%A _Amarnath Murthy_, Apr 10 2003

%E Corrected and extended by _David Wasserman_, Aug 23 2004

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Last modified April 25 09:13 EDT 2024. Contains 371967 sequences. (Running on oeis4.)