Let f(k) denote the largest prime factor of k which is not a palindrome. Sequence gives numbers k such that the sum of the factorials of the digits of k is equal to f(k) reversed.
A111185
Let f(k) denote the largest prime factor of k which is not a palindrome. Sequence gives numbers k such that the sum of the factorials of the digits of k is equal to f(k) reversed.
Terms
- a(0) =143a(1) =541a(2) =2105a(3) =2444a(4) =3431a(5) =4144a(6) =4233a(7) =4301a(8) =4440a(9) =10234a(10) =12243a(11) =12341a(12) =20313a(13) =22320a(14) =30422a(15) =34030a(16) =34144a(17) =35140a(18) =46003a(19) =52100a(20) =53013a(21) =102613a(22) =106312a(23) =112413a(24) =113162a(25) =120032a(26) =134046a(27) =200340a(28) =202124a(29) =203112
External references
- oeis: A111185