Products across consecutive rows of the denominators of the Leibniz harmonic triangle (A003506).

A168510

Products across consecutive rows of the denominators of the Leibniz harmonic triangle (A003506).

Terms

    a(0) =1a(1) =4a(2) =54a(3) =2304a(4) =300000a(5) =116640000a(6) =133413966000

External references