A196678 - cp's OEIS frontend

A196678 a(n) = 5binomial(4n+5,n)/(4*n+5).

n	a(n)
0	1
1	5
2	30
3	200
4	1425
5	10626
6	81900
7	647280
8	5217300
9	42724825
10	354465254
11	2973052680
12	25168220350
13	214762810500
14	1845308367000
15	15951899986272
16	138638564739180
17	1210677947695620
18	10617706139119000
19	93477423115076000

[1, 5, 30, 200, 1425, 10626, 81900, 647280, 5217300, 42724825, 354465254, 2973052680, 25168220350, 214762810500, 1845308367000, 15951899986272, 138638564739180, 1210677947695620, 10617706139119000, 93477423115076000]

cp's OEIS Frontend

A196678 a(n) = 5binomial(4n+5,n)/(4*n+5).

Table of values

List of values

cp's OEIS Frontend

A196678 a(n) = 5*binomial(4*n+5,n)/(4*n+5).

Table of values

List of values

A196678 a(n) = 5binomial(4n+5,n)/(4*n+5).