Multinomial coefficients(TOP, BOTTOM), where TOP = n^2, BOTTOM = ( 1 3 5 ... 2n-1 ).

A022919

Multinomial coefficients(TOP, BOTTOM), where TOP = n^2, BOTTOM = ( 1 3 5 ... 2n-1 ).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =504a(4) =5765760

External references