Sum of squares of digits of n is equal to the largest prime factor of n reversed, where the largest prime factor is not a palindrome.

A074303

Sum of squares of digits of n is equal to the largest prime factor of n reversed, where the largest prime factor is not a palindrome.

Terms

    a(0) =123a(1) =705a(2) =931a(3) =1230a(4) =1239a(5) =1521a(6) =2528a(7) =2812a(8) =4233a(9) =4665a(10) =6264a(11) =7050a(12) =7157a(13) =7316a(14) =8151a(15) =9310a(16) =11315a(17) =11745a(18) =12300a(19) =12390a(20) =13056a(21) =14104a(22) =14418a(23) =15192a(24) =15210a(25) =15281a(26) =16643a(27) =17444a(28) =17478a(29) =18827

External references