A238347 - cp's OEIS frontend

A238347 Triangle T(n,k) read by rows: T(n,k) is the number of compositions of n where the k-th part is the first occurrence of a smallest part, n>=1, 1<=k<=n.

n	a(n)
1	1
2	2
3	0
4	3
5	1
6	0
7	6
8	2
9	0
10	0
11	10
12	5
13	1
14	0
15	0
16	20
17	9
18	3
19	0
20	0
21	0
22	37
23	19
24	7
25	1
26	0
27	0
28	0
29	72
30	36
31	16
32	4
33	0
34	0
35	0
36	0
37	140
38	71
39	33
40	11
41	1
42	0
43	0
44	0
45	0
46	275
47	139
48	67
49	26
50	5
51	0
52	0
53	0
54	0
55	0
56	540
57	274
58	135
59	58
60	16
61	1
62	0
63	0
64	0
65	0
66	0
67	1069
68	539
69	269
70	123
71	42
72	6
73	0
74	0
75	0
76	0
77	0
78	0
79	2118
80	1068
81	534
82	254
83	99
84	22
85	1
86	0

[1, 2, 0, 3, 1, 0, 6, 2, 0, 0, 10, 5, 1, 0, 0, 20, 9, 3, 0, 0, 0, 37, 19, 7, 1, 0, 0, 0, 72, 36, 16, 4, 0, 0, 0, 0, 140, 71, 33, 11, 1, 0, 0, 0, 0, 275, 139, 67, 26, 5, 0, 0, 0, 0, 0, 540, 274, 135, 58, 16, 1, 0, 0, 0, 0, 0, 1069, 539, 269, 123, 42, 6, 0, 0, 0, 0, 0, 0, 2118, 1068, 534, 254, 99, 22, 1, 0]

cp's OEIS Frontend

A238347 Triangle T(n,k) read by rows: T(n,k) is the number of compositions of n where the k-th part is the first occurrence of a smallest part, n>=1, 1<=k<=n.

Table of values

List of values