Digital sum of n = sum of palindromes from the smallest prime factor of n to the largest prime factor of n.

A074310

Digital sum of n = sum of palindromes from the smallest prime factor of n to the largest prime factor of n.

Terms

    a(0) =2a(1) =3a(2) =5a(3) =7a(4) =75a(5) =209a(6) =589a(7) =2401a(8) =7429a(9) =7938a(10) =8671a(11) =15876a(12) =20480a(13) =24696a(14) =36288a(15) =39690a(16) =47628a(17) =48384a(18) =49392a(19) =55566a(20) =56448a(21) =60401a(22) =68107a(23) =72576a(24) =74088a(25) =78750a(26) =79380a(27) =81648a(28) =83317a(29) =84672

External references