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A065379 Palindromic squares with a prime root. 1
4, 9, 121, 10201, 94249, 900075181570009, 12124434743442121, 12323244744232321, 12341234943214321, 1022321210249420121232201, 1210024420147410244200121, 1210222232227222322220121 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Record sporadic palindromic square with a prime root is 186627875420278656872024578726681.

LINKS

Table of n, a(n) for n=1..12.

P. De Geest, Palindromic Squares

G. L. Honaker, Jr. and C. Caldwell, Prime Curios!

William Rex Marshall, Palindromic Squares [Internet Archive Wayback Machine]

EXAMPLE

E.g. a(6) = 900075181570009 = p^2 with p = 30001253 and prime.

CROSSREFS

Cf. A065378, A002778, A002779, A034822, A028816, A016106, A059744, A016113, A007573.

Sequence in context: A057136 A048411 A225739 * A063783 A168138 A267898

Adjacent sequences:  A065376 A065377 A065378 * A065380 A065381 A065382

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Nov 03 2001.

STATUS

approved

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Last modified June 20 10:13 EDT 2019. Contains 324234 sequences. (Running on oeis4.)