A028580 - cp's OEIS frontend

A028580 C_{n+1}C_nC_{n-1}^2C_{n-2}^4...*C_2^{2^(n-2)}, where C_k are the Catalan numbers (A000108).

n	a(n)
1	1
2	2
3	10
4	280
5	235200
6	173859840000
7	98238542885683200000000
8	32169371027674057560745102540800000000000000000
9	3518552669874927170883258602839130084576857453953842493259776000000000000000000000000000000000

[1, 2, 10, 280, 235200, 173859840000, 98238542885683200000000, 32169371027674057560745102540800000000000000000, 3518552669874927170883258602839130084576857453953842493259776000000000000000000000000000000000]

cp's OEIS Frontend

A028580 C_{n+1}C_nC_{n-1}^2C_{n-2}^4...*C_2^{2^(n-2)}, where C_k are the Catalan numbers (A000108).

Table of values

List of values

cp's OEIS Frontend

A028580 C_{n+1}*C_n*C_{n-1}^2*C_{n-2}^4*...*C_2^{2^(n-2)}, where C_k are the Catalan numbers (A000108).

Table of values

List of values

A028580 C_{n+1}C_nC_{n-1}^2C_{n-2}^4...*C_2^{2^(n-2)}, where C_k are the Catalan numbers (A000108).