Mosaic numbers or multiplicative projection of n: if n = Product (p_j^k_j) then a(n) = Product (p_j * k_j).

A000026

Mosaic numbers or multiplicative projection of n: if n = Product (p_j^k_j) then a(n) = Product (p_j * k_j).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =6a(8) =6a(9) =10a(10) =11a(11) =12a(12) =13a(13) =14a(14) =15a(15) =8a(16) =17a(17) =12a(18) =19a(19) =20a(20) =21a(21) =22a(22) =23a(23) =18a(24) =10a(25) =26a(26) =9a(27) =28a(28) =29a(29) =30

External references