Numbers k at which point A336459(k) appears multiplicative, but A051027(k) does not.

Terms

a(0) =506a(1) =1819a(2) =2024a(3) =2714a(4) =3674a(5) =3818a(6) =4554a(7) =5088a(8) =5750a(9) =5786a(10) =6026a(11) =6762a(12) =6842a(13) =7215a(14) =7276a(15) =9487a(16) =9523a(17) =10442a(18) =11895a(19) =12397a(20) =12650a(21) =13178a(22) =13303a(23) =14235a(24) =14696a(25) =15272a(26) =15962a(27) =16346a(28) =16371a(29) =18216