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

1,1

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.

Sequence in context: A023011 A022641 A000590 * A303967 A304929 A041316

Adjacent sequences: A052062 A052063 A052064 * A052066 A052067 A052068

Keyword

nonn,base

Author

Patrick De Geest, Jan 15 2000

Extensions

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

Status

approved