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A281496
Numbers n such that the decimal representation of the Elias delta code of n is a palindromic prime.
1
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.
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
KEYWORD
nonn,base
AUTHOR
Indranil Ghosh, Jan 23 2017
STATUS
approved