A vector sequence with set row sum function: row(n)=(2*n)!/n! and linear build up and decline function: f(n,m)=Floor[(m/n)*row(n)].

A152971

A vector sequence with set row sum function: row(n)=(2*n)!/n! and linear build up and decline function: f(n,m)=Floor[(m/n)*row(n)].

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =10a(5) =1a(6) =1a(7) =59a(8) =59a(9) =1a(10) =1a(11) =210a(12) =1258a(13) =210a(14) =1a(15) =1a(16) =3024a(17) =12095a(18) =12095a(19) =3024a(20) =1a(21) =1a(22) =55440a(23) =110880a(24) =332638a(25) =110880a(26) =55440a(27) =1a(28) =1a(29) =1235520

External references