A356287 - cp's OEIS frontend

A356287 a(n) = Sum_{k=0..n} binomial(3k, k) q(k), where q(k) is the number of partitions into distinct parts (A000009).

n	a(n)
0	1
1	4
2	19
3	187
4	1177
5	10186
6	84442
7	665842
8	5078668
9	42573268
10	343023418
11	2665464058
12	21440629558
13	167644287550
14	1330569327310
15	10641989818078
16	82797155054782
17	644097780350332
18	5102709814966162
19	39499844158337962
20	307777892529889642
21	2406854983109480302

[1, 4, 19, 187, 1177, 10186, 84442, 665842, 5078668, 42573268, 343023418, 2665464058, 21440629558, 167644287550, 1330569327310, 10641989818078, 82797155054782, 644097780350332, 5102709814966162, 39499844158337962, 307777892529889642, 2406854983109480302]

cp's OEIS Frontend

A356287 a(n) = Sum_{k=0..n} binomial(3k, k) q(k), where q(k) is the number of partitions into distinct parts (A000009).

Table of values

List of values

cp's OEIS Frontend

A356287 a(n) = Sum_{k=0..n} binomial(3*k, k) * q(k), where q(k) is the number of partitions into distinct parts (A000009).

Table of values

List of values

A356287 a(n) = Sum_{k=0..n} binomial(3k, k) q(k), where q(k) is the number of partitions into distinct parts (A000009).