Numbers k of the form 4u+2 such that sigma(k) AND 3*k = 3*k, where AND is bitwise-and, A004198.

A388023

Numbers k of the form 4u+2 such that sigma(k) AND 3*k = 3*k, where AND is bitwise-and, A004198.

Terms

    a(0) =473850a(1) =6370650a(2) =324862650a(3) =548244450a(4) =1075621050a(5) =1449077850a(6) =5024511450a(7) =6470638650

External references