A281496 Numbers n such that the decimal representation of the Elias delta code of n is a palindromic prime.

133, 18279, 19279, 24279, 25279, 30379, 263213, 323213, 333213, 374213, 384213, 404213, 33907213, 35117213, 37037213, 37237213, 37537213, 39757213, 41377213, 42088213, 42188213, 43498213, 43598213, 45518213, 46328213, 47138213, 48958213, 49258213, 49658213, 51478213, 51989213, 52289213, 54109213, 55019213, 58049213

Offset

1,1

Comments

Numbers n such that A003188(n) is in A002385.

a(n) is always odd.

Links

Indranil Ghosh, Table of n, a(n) for n = 1..100

Indranil Ghosh, Python program to generate the sequence

Example

133 is in the sequence because the decimal representation of its Elias delta code is 14341 which is both prime and palindromic.
18279 is in the sequence because the decimal representation of its Elias delta code is 1951591 and 1951591 is both prime and palindromic.

Crossrefs

Cf. A002385, A281225, A281382.

Sequence in context: A133240 A129050 A129049 * A015264 A055579 A191715

Adjacent sequences: A281493 A281494 A281495 * A281497 A281498 A281499

Keyword

nonn,base

Author

Indranil Ghosh, Jan 23 2017

Status

approved