Nonprime numbers n such that n and n-reversed (<>n and no leading zeros) have the same number of prime factors and these prime factors (palindromes allowed here) are also reversals of each other.

A050702

Nonprime numbers n such that n and n-reversed (<>n and no leading zeros) have the same number of prime factors and these prime factors (palindromes allowed here) are also reversals of each other.

Terms

    a(0) =26a(1) =39a(2) =62a(3) =93a(4) =143a(5) =169a(6) =187a(7) =226a(8) =286a(9) =339a(10) =341a(11) =622a(12) =682a(13) =781a(14) =933a(15) =961a(16) =1089a(17) =1177a(18) =1243a(19) =1313a(20) =1469a(21) =1573a(22) =1717a(23) =2042a(24) =2062a(25) =2066a(26) =2178a(27) =2206a(28) =2402a(29) =2426

External references