A357560 - cp's OEIS frontend

A357560 a(n) = the numerator of ( Sum_{k = 1..n} (-1)^(n+k)(1/k)binomial(n,k)* binomial(n+k,k)^2 ).

n	a(n)
0	0
1	4
2	0
3	94
4	500
5	19262
6	50421
7	2929583
8	25197642
9	2007045752
10	3634262225
11	368738402141
12	6908530637021
13	852421484283739
14	1168833981781025
15	56641833705924527
16	276827636652242789
17	46345946530867053437
18	51051733540797155872
19	9673584199611903429172

[0, 4, 0, 94, 500, 19262, 50421, 2929583, 25197642, 2007045752, 3634262225, 368738402141, 6908530637021, 852421484283739, 1168833981781025, 56641833705924527, 276827636652242789, 46345946530867053437, 51051733540797155872, 9673584199611903429172]

cp's OEIS Frontend

A357560 a(n) = the numerator of ( Sum_{k = 1..n} (-1)^(n+k)(1/k)binomial(n,k)* binomial(n+k,k)^2 ).

Table of values

List of values

cp's OEIS Frontend

A357560 a(n) = the numerator of ( Sum_{k = 1..n} (-1)^(n+k)*(1/k)*binomial(n,k)* binomial(n+k,k)^2 ).

Table of values

List of values

A357560 a(n) = the numerator of ( Sum_{k = 1..n} (-1)^(n+k)(1/k)binomial(n,k)* binomial(n+k,k)^2 ).