A386891 - cp's OEIS frontend

A386891 Irregular triangle read by rows: T(n,k) is the number of compositions of n such that the maximal cardinality of C is k, where C is a subset of the set of parts such that all elements in C appear in weakly increasing order within the composition.

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	0
6	3
7	1
8	0
9	6
10	2
11	0
12	11
13	5
14	0
15	21
16	10
17	1
18	0
19	39
20	23
21	2
22	0
23	74
24	49
25	5
26	0
27	139
28	107
29	10
30	0
31	271
32	216
33	24
34	1
35	0
36	524
37	447
38	51
39	2
40	0
41	1031
42	895
43	117
44	5
45	0
46	2023
47	1813
48	250
49	10
50	0
51	3998
52	3630
53	544
54	20
55	0
56	7878
57	7344
58	1115
59	46
60	1
61	0
62	15601
63	14738
64	2330
65	97
66	2

[1, 0, 1, 0, 2, 0, 3, 1, 0, 6, 2, 0, 11, 5, 0, 21, 10, 1, 0, 39, 23, 2, 0, 74, 49, 5, 0, 139, 107, 10, 0, 271, 216, 24, 1, 0, 524, 447, 51, 2, 0, 1031, 895, 117, 5, 0, 2023, 1813, 250, 10, 0, 3998, 3630, 544, 20, 0, 7878, 7344, 1115, 46, 1, 0, 15601, 14738, 2330, 97, 2]

cp's OEIS Frontend

A386891 Irregular triangle read by rows: T(n,k) is the number of compositions of n such that the maximal cardinality of C is k, where C is a subset of the set of parts such that all elements in C appear in weakly increasing order within the composition.

Table of values

List of values