Central pentanomial coefficients.

A349936

Central pentanomial coefficients.

Terms

    a(0) =1a(1) =5a(2) =85a(3) =1751a(4) =38165a(5) =856945a(6) =19611175a(7) =454805755a(8) =10651488789a(9) =251345549849

External references