a(n) is the smallest k such that the sum of squares of prime divisors of k is equal to the sum of prime divisors of n+k.
A228182
a(n) is the smallest k such that the sum of squares of prime divisors of k is equal to the sum of prime divisors of n+k.
Terms
- a(0) =12a(1) =810a(2) =35152a(3) =18a(4) =9a(5) =67881a(6) =6a(7) =36a(8) =20a(9) =12a(10) =3a(11) =7203a(12) =14688a(13) =162a(14) =350a(15) =6a(16) =81a(17) =75a(18) =9a(19) =24a(20) =25a(21) =3648a(22) =37905a(23) =2125a(24) =3a(25) =18a(26) =455a(27) =225a(28) =27a(29) =3800
External references
- oeis: A228182