First differences of A051924, or second differences of Central binomial coefficients A000984.

A329533

First differences of A051924, or second differences of Central binomial coefficients A000984.

Terms

    a(0) =3a(1) =10a(2) =36a(3) =132a(4) =490a(5) =1836a(6) =6930a(7) =26312a(8) =100386a(9) =384540a(10) =1478048a(11) =5697720a(12) =22019556a(13) =85284920a(14) =330961950a(15) =1286562960a(16) =5009003250a(17) =19528599420a(18) =76231136520a(19) =297910080600

External references