A278934 - cp's OEIS frontend

A278934 a(n) = Sum_{k=0..n} (-1)^(n-k)binomial(n,k)binomial(2*k,k)^2.

n	a(n)
0	1
1	3
2	29
3	303
4	3501
5	42663
6	538769
7	6977547
8	92078989
9	1232902023
10	16700233689
11	228356672547
12	3147087003201
13	43659275921667
14	609117615688149
15	8539863624592023
16	120242239301247309
17	1699411957967345127
18	24098616839012623769
19	342754384909199620803

[1, 3, 29, 303, 3501, 42663, 538769, 6977547, 92078989, 1232902023, 16700233689, 228356672547, 3147087003201, 43659275921667, 609117615688149, 8539863624592023, 120242239301247309, 1699411957967345127, 24098616839012623769, 342754384909199620803]

cp's OEIS Frontend

A278934 a(n) = Sum_{k=0..n} (-1)^(n-k)binomial(n,k)binomial(2*k,k)^2.

Table of values

List of values

cp's OEIS Frontend

A278934 a(n) = Sum_{k=0..n} (-1)^(n-k)*binomial(n,k)*binomial(2*k,k)^2.

Table of values

List of values

A278934 a(n) = Sum_{k=0..n} (-1)^(n-k)binomial(n,k)binomial(2*k,k)^2.