A052065 a(n) is the first square root greater than 10^n such that a(n)^2 is a palfree square (palfree = contains no palindromic substring except single digits).

13, 104, 1014, 10123, 101047, 1010456, 10104574, 101045587, 1010455851, 10104558492, 101045584913, 1010455848322, 10104558481373, 101045584813152, 1010455848130452, 10104558481304484

Offset: 1

Author

Patrick De Geest, Jan 15 2000

Keywords

• nonn
• base

Comments

Probably finite.

Links

• Keith Schneider, Table of n, a(n) for n = 1..25
• Keith Schneider, Mathematica code for A052025-A052028

Crossrefs

Cf. A052066, A052061, A052062.

Extensions

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