Numbers k for which k' = x'*y', where k = x + y with x and y composite, and k', x', y' are the arithmetic derivatives of k, x, y.

A370126

Numbers k for which k' = x'*y', where k = x + y with x and y composite, and k', x', y' are the arithmetic derivatives of k, x, y.

Terms

    a(0) =48a(1) =160a(2) =208a(3) =212a(4) =236a(5) =252a(6) =268a(7) =496a(8) =612a(9) =752a(10) =1040a(11) =1172a(12) =1376a(13) =1476a(14) =1568a(15) =1584a(16) =1692a(17) =1728a(18) =2016a(19) =2192a(20) =2736a(21) =3616a(22) =3627a(23) =3632a(24) =3760a(25) =3932a(26) =4048a(27) =4508a(28) =4572a(29) =5264

External references