6298627domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(1)=1. a(n) = the smallest integer > a(n-1) that is an (odd) palindrome when written in binary, and is such that (a(n)-a(n-1))/2 is prime.at n=26A161536Prime numbers whose base-2 representation is a "nested" palindrome.at n=30A373581Prime numbersat n=431984