A378483 - cp's OEIS frontend

A378483 Expansion of (Sum_{k>=0} binomial(3k,k) x^k)^3.

n	a(n)
0	1
1	9
2	72
3	549
4	4077
5	29772
6	214884
7	1537677
8	10930923
9	77298849
10	544300992
11	3819184236
12	26718251868
13	186440019192
14	1298115301356
15	9020928853341
16	62582406445287
17	433509545320731
18	2998884192348888
19	20720206275346269
20	143005275737941437
21	986000187782876976

[1, 9, 72, 549, 4077, 29772, 214884, 1537677, 10930923, 77298849, 544300992, 3819184236, 26718251868, 186440019192, 1298115301356, 9020928853341, 62582406445287, 433509545320731, 2998884192348888, 20720206275346269, 143005275737941437, 986000187782876976]

cp's OEIS Frontend

A378483 Expansion of (Sum_{k>=0} binomial(3k,k) x^k)^3.

Table of values

List of values

cp's OEIS Frontend

A378483 Expansion of (Sum_{k>=0} binomial(3*k,k) * x^k)^3.

Table of values

List of values

A378483 Expansion of (Sum_{k>=0} binomial(3k,k) x^k)^3.