A238343 - cp's OEIS frontend

A238343 Triangle T(n,k) read by rows: T(n,k) is the number of compositions of n with k descents, n>=0, 0<=k<=n.

n	a(n)
0	1
1	1
2	0
3	2
4	0
5	0
6	3
7	1
8	0
9	0
10	5
11	3
12	0
13	0
14	0
15	7
16	9
17	0
18	0
19	0
20	0
21	11
22	19
23	2
24	0
25	0
26	0
27	0
28	15
29	41
30	8
31	0
32	0
33	0
34	0
35	0
36	22
37	77
38	29
39	0
40	0
41	0
42	0
43	0
44	0
45	30
46	142
47	81
48	3
49	0
50	0
51	0
52	0
53	0
54	0
55	42
56	247
57	205
58	18
59	0
60	0
61	0
62	0
63	0
64	0
65	0
66	56
67	421
68	469
69	78
70	0
71	0
72	0
73	0
74	0
75	0
76	0
77	0
78	77
79	689
80	1013
81	264
82	5
83	0
84	0
85	0
86	0
87	0
88	0
89	0
90	0
91	101
92	1113
93	2059
94	786
95	37
96	0
97	0
98	0
99	0
100	0
101	0
102	0
103	0
104	0

[1, 1, 0, 2, 0, 0, 3, 1, 0, 0, 5, 3, 0, 0, 0, 7, 9, 0, 0, 0, 0, 11, 19, 2, 0, 0, 0, 0, 15, 41, 8, 0, 0, 0, 0, 0, 22, 77, 29, 0, 0, 0, 0, 0, 0, 30, 142, 81, 3, 0, 0, 0, 0, 0, 0, 42, 247, 205, 18, 0, 0, 0, 0, 0, 0, 0, 56, 421, 469, 78, 0, 0, 0, 0, 0, 0, 0, 0, 77, 689, 1013, 264, 5, 0, 0, 0, 0, 0, 0, 0, 0, 101, 1113, 2059, 786, 37, 0, 0, 0, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A238343 Triangle T(n,k) read by rows: T(n,k) is the number of compositions of n with k descents, n>=0, 0<=k<=n.

Table of values

List of values