A082598 Palindromic prime units W appearing twice in first-order fractal palindromic primes WmW.

3, 7, 11, 131, 151, 191, 919, 10301, 10501, 10601, 12421, 12721, 13331, 13831, 13931, 14341, 15551, 16061, 16361, 16561, 17471, 18481, 19391, 30203, 30403, 30703, 31513, 32323, 32423, 33533, 34543, 35053, 35153, 35753, 36263, 37273, 37573, 38783, 39293, 70207

Offset

1,1

Comments

Note that W may not be further split in this manner (see A082584). - Michael S. Branicky, May 19 2024

Links

Michael S. Branicky, Table of n, a(n) for n = 1..17643 (all terms < 10^12)

Example

10301 is in the sequence because this palindromic prime builds up the first order palindromic prime 10301110301.

Crossrefs

Cf. A082584.

Sequence in context: A105762 A057469 A247229 * A082599 A354082 A123259

Adjacent sequences: A082595 A082596 A082597 * A082599 A082600 A082601

Keyword

base,nonn

Author

Lekraj Beedassy, May 14 2003

Extensions

a(27) and beyond from Michael S. Branicky, May 19 2024

Status

approved