A112094 - cp's OEIS frontend

A112094 Denominator of 3Sum_{i=1..n} 1/(i^2C(2*i,i)).

n	a(n)
0	1
1	2
2	8
3	120
4	672
5	5600
6	79200
7	50450400
8	201801600
9	10291881600
10	17776886400
11	2151003254400
12	3805621142400
13	643149973065600
14	643149973065600
15	31085582031504000
16	226741892465088000
17	65528406922410432000
18	31039771700089152000
19	414598230598090803264000
20	16583929223923632130560

[1, 2, 8, 120, 672, 5600, 79200, 50450400, 201801600, 10291881600, 17776886400, 2151003254400, 3805621142400, 643149973065600, 643149973065600, 31085582031504000, 226741892465088000, 65528406922410432000, 31039771700089152000, 414598230598090803264000, 16583929223923632130560]

cp's OEIS Frontend

A112094 Denominator of 3Sum_{i=1..n} 1/(i^2C(2*i,i)).

Table of values

List of values

cp's OEIS Frontend

A112094 Denominator of 3*Sum_{i=1..n} 1/(i^2*C(2*i,i)).

Table of values

List of values

A112094 Denominator of 3Sum_{i=1..n} 1/(i^2C(2*i,i)).