A359108 - cp's OEIS frontend

A359108 a(n) = A128899(2n, n) = 2binomial(4n - 1, 3n) for n >= 1 and a(0) = 1.

n	a(n)
0	1
1	2
2	14
3	110
4	910
5	7752
6	67298
7	592020
8	5259150
9	47071640
10	423830264
11	3834669566
12	34834267234
13	317506779800
14	2902365981900
15	26597044596360
16	244263468539790
17	2247575790712824
18	20716044882791720
19	191230475831922200
20	1767658071106087160
21	16359617358545329440

[1, 2, 14, 110, 910, 7752, 67298, 592020, 5259150, 47071640, 423830264, 3834669566, 34834267234, 317506779800, 2902365981900, 26597044596360, 244263468539790, 2247575790712824, 20716044882791720, 191230475831922200, 1767658071106087160, 16359617358545329440]

cp's OEIS Frontend

A359108 a(n) = A128899(2n, n) = 2binomial(4n - 1, 3n) for n >= 1 and a(0) = 1.

Table of values

List of values

cp's OEIS Frontend

A359108 a(n) = A128899(2*n, n) = 2*binomial(4*n - 1, 3*n) for n >= 1 and a(0) = 1.

Table of values

List of values

A359108 a(n) = A128899(2n, n) = 2binomial(4n - 1, 3n) for n >= 1 and a(0) = 1.