Numbers k such that k concatenated with k-6 gives the product of two numbers which differ by 7.

A116119

Numbers k such that k concatenated with k-6 gives the product of two numbers which differ by 7.

Terms

    a(0) =96a(1) =150a(2) =186a(3) =324a(4) =376a(5) =666a(6) =996a(7) =2046a(8) =3000a(9) =9996a(10) =82650a(11) =99996a(12) =100384a(13) =466716a(14) =999996a(15) =1322316a(16) =4049584a(17) =9999996a(18) =67820074a(19) =99999996a(20) =110003884a(21) =135734074a(22) =156502836a(23) =196043286a(24) =213017754a(25) =238849000a(26) =261405396a(27) =289940826

External references