k times k+4 gives the concatenation of two numbers m and m-5.

A116254

k times k+4 gives the concatenation of two numbers m and m-5.

Terms

    a(0) =89a(1) =9077a(2) =9899a(3) =733672a(4) =998999a(5) =88225293a(6) =99989999a(7) =8900869206a(8) =9296908810a(9) =9604060395a(10) =9999899999a(11) =326666333265a(12) =673333666732a(13) =700730927006a(14) =972603739725a(15) =999998999999

External references