Numbers k such that k+1 and k/2+1 are squares.

A008845

Numbers k such that k+1 and k/2+1 are squares.

Terms

    a(0) =0a(1) =48a(2) =1680a(3) =57120a(4) =1940448a(5) =65918160a(6) =2239277040a(7) =76069501248

External references