A327673 - cp's OEIS frontend

A327673 Number T(n,k) of colored compositions of n using all colors of a k-set such that all parts have different color patterns and the patterns for parts i are sorted and have i colors (in arbitrary order); triangle T(n,k), n>=0, 0<=k<=n, read by rows.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	3
6	0
7	3
8	18
9	19
10	0
11	3
12	60
13	171
14	121
15	0
16	5
17	210
18	1173
19	1996
20	1041
21	0
22	11
23	798
24	7512
25	22784
26	27225
27	11191
28	0
29	13
30	2462
31	39708
32	196904
33	411115
34	382086
35	130663
36	0
37	19
38	7891
39	204987
40	1546042
41	4991815
42	7843848
43	5932843
44	1731969

[1, 0, 1, 0, 1, 3, 0, 3, 18, 19, 0, 3, 60, 171, 121, 0, 5, 210, 1173, 1996, 1041, 0, 11, 798, 7512, 22784, 27225, 11191, 0, 13, 2462, 39708, 196904, 411115, 382086, 130663, 0, 19, 7891, 204987, 1546042, 4991815, 7843848, 5932843, 1731969]

cp's OEIS Frontend

A327673 Number T(n,k) of colored compositions of n using all colors of a k-set such that all parts have different color patterns and the patterns for parts i are sorted and have i colors (in arbitrary order); triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

List of values