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Palfree cubes whose root is the smallest possible greater than 10^n (palfree = contains no palindromic substring except single digits).
2

%I #9 Oct 17 2019 22:15:46

%S 1728,1061208,1024192512,1027549183571,1021086501268392,

%T 1021326840189306379,1021027182906953620125,1021024718963175618538209,

%U 1021021582763927831895785179

%N Palfree cubes whose root is the smallest possible greater than 10^n (palfree = contains no palindromic substring except single digits).

%C Probably finite.

%H Keith Schneider, <a href="/A052068/b052068.txt">Table of n, a(n) for n = 1..25</a>

%H Keith Schneider, <a href="/A052065/a052065.txt">Mathematica code for A052025-A052028</a>

%Y Cf. A052067, A052063, A052064.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, Jan 15 2000

%E More terms from Keith Schneider (schneidk(AT)email.unc.edu), May 23 2007