Numbers k such that k * (k+5) gives the concatenation of two numbers m and m+5.

A116324

Numbers k such that k * (k+5) gives the concatenation of two numbers m and m+5.

Terms

    a(0) =31a(1) =65a(2) =42754a(3) =57242a(4) =75424a(5) =425073a(6) =574923a(7) =979529a(8) =4301394a(9) =5698602a(10) =7028667a(11) =4925000748a(12) =5074999248a(13) =7748266575a(14) =8511881485a(15) =8814851185

External references