Palindromes that have at least two distinct prime factors and whose prime factors, listed (with multiplicity) in descending order and concatenated, form a palindrome in base 10.
A364023
Palindromes that have at least two distinct prime factors and whose prime factors, listed (with multiplicity) in descending order and concatenated, form a palindrome in base 10.
Terms
- a(0) =111a(1) =414a(2) =777a(3) =35853a(4) =1226221a(5) =7673767a(6) =7744477a(7) =9396939a(8) =859767958a(9) =11211911211a(10) =12467976421a(11) =72709290727a(12) =93969696939
External references
- oeis: A364023