Numbers k such that k concatenated with k-7 gives the product of two numbers which differ by 8.

A116113

Numbers k such that k concatenated with k-7 gives the product of two numbers which differ by 8.

Terms

    a(0) =95a(1) =216a(2) =287a(3) =515a(4) =675a(5) =995a(6) =1175a(7) =4320a(8) =9995a(9) =82640a(10) =99995a(11) =960795a(12) =999995a(13) =1322312a(14) =4049591a(15) =9999995a(16) =16955015a(17) =34602080a(18) =99999995a(19) =171010235a(20) =181964891a(21) =183673467a(22) =187160072a(23) =321920055a(24) =326530616a(25) =328818032

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