A327711 - cp's OEIS frontend

A327711 Sum of multinomials M(n-k; p_1-1, ..., p_k-1), where p = (p_1, ..., p_k) ranges over all partitions of n (k is a partition length).

n	a(n)
0	1
1	1
2	2
3	3
4	6
5	10
6	27
7	55
8	171
9	475
10	1555
11	4915
12	20023
13	68243
14	288024
15	1213828
16	5435935
17	23966970
18	121432923
19	578757824
20	3130381590
21	16427772974
22	91877826663
23	519546134163
24	3199523135912
25	18868494152257
26	120274458082095
27	772954621249540
28	5219747666882153

[1, 1, 2, 3, 6, 10, 27, 55, 171, 475, 1555, 4915, 20023, 68243, 288024, 1213828, 5435935, 23966970, 121432923, 578757824, 3130381590, 16427772974, 91877826663, 519546134163, 3199523135912, 18868494152257, 120274458082095, 772954621249540, 5219747666882153]

cp's OEIS Frontend

A327711 Sum of multinomials M(n-k; p_1-1, ..., p_k-1), where p = (p_1, ..., p_k) ranges over all partitions of n (k is a partition length).

Table of values

List of values