A082589 Fractal palindromic primes of third order.

313531363135313, 727672777276727, 797779777977797, 11411311411511411311411, 10301110301310301110301210301110301310301110301, 10601110601710601110601410601110601710601110601, 12421812421812421812421912421812421812421812421

Offset

1,1

Comments

A third-order fractal palindromic prime is of the form WdWeWdWfWdWeWdW, where parts WdWeWdW, WdW and W are all palindromic primes and the symbols d, e, f stand for central digits; W may not be further split in this manner into shorter palindromic primes.

Links

Table of n, a(n) for n=1..7.

Crossrefs

Cf. A002385, A082584, A082600.

Sequence in context: A384863 A204350 A172592 * A371834 A375012 A239922

Adjacent sequences: A082586 A082587 A082588 * A082590 A082591 A082592

Keyword

nonn,base

Author

Lekraj Beedassy, May 13 2003

Extensions

More terms from Sean A. Irvine, Dec 14 2025

Status

approved