Numbers k such that k concatenated with k+3 gives the product of two numbers which differ by 2.

A116177

Numbers k such that k concatenated with k+3 gives the product of two numbers which differ by 2.

Terms

    a(0) =205a(1) =300a(2) =477a(3) =732a(4) =1920a(5) =3157a(6) =52896a(7) =120085a(8) =427020a(9) =8264460a(10) =88581312a(11) =112000885a(12) =112917765a(13) =143075580a(14) =152863360a(15) =193537077a(16) =233788192a(17) =266755221a(18) =313680096a(19) =370908477a(20) =386568925a(21) =440852992a(22) =442670220

External references