A356283 - cp's OEIS frontend

A356283 a(n) = Sum_{k=0..n} binomial(3n, n-k) q(k), where q(k) is the number of partitions into distinct parts (A000009).

n	a(n)
0	1
1	4
2	22
3	131
4	807
5	5066
6	32188
7	206242
8	1329733
9	8614685
10	56024538
11	365491218
12	2390613557
13	15671221522
14	102925324569
15	677110860689
16	4460956827127
17	29427611146335
18	194348311824025
19	1284856925961827
20	8502252246841668
21	56309476194587377
22	373220349572126265

[1, 4, 22, 131, 807, 5066, 32188, 206242, 1329733, 8614685, 56024538, 365491218, 2390613557, 15671221522, 102925324569, 677110860689, 4460956827127, 29427611146335, 194348311824025, 1284856925961827, 8502252246841668, 56309476194587377, 373220349572126265]

cp's OEIS Frontend

A356283 a(n) = Sum_{k=0..n} binomial(3n, n-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

A356283 a(n) = Sum_{k=0..n} binomial(3*n, n-k) * q(k), where q(k) is the number of partitions into distinct parts (A000009).

Table of values

List of values

A356283 a(n) = Sum_{k=0..n} binomial(3n, n-k) q(k), where q(k) is the number of partitions into distinct parts (A000009).