Numbers k such that k concatenated with k-4 gives the product of two numbers which differ by 7.

A116132

Numbers k such that k concatenated with k-4 gives the product of two numbers which differ by 7.

Terms

    a(0) =74a(1) =59264a(2) =510782a(3) =906902a(4) =81790664a(5) =92776472

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