A186807 - cp's OEIS frontend

A186807 Triangle read by rows: T(n,p) (n >= 2, 1 <= p <= n-1) = number of compositions of n into p parts, with first part >= all other parts.

n	a(n)
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	1
12	1
13	4
14	4
15	3
16	1
17	1
18	5
19	7
20	6
21	3
22	1
23	1
24	6
25	11
26	11
27	8
28	4
29	1
30	1
31	7
32	16
33	19
34	17
35	11
36	4
37	1
38	1
39	8
40	22
41	31
42	32
43	26
44	13
45	5
46	1
47	1
48	9
49	29
50	48
51	56
52	54
53	35
54	17
55	5
56	1
57	1
58	10
59	37
60	71
61	93
62	102
63	82
64	48
65	20
66	6
67	1
68	1
69	11
70	46
71	101
72	148
73	180
74	172
75	120
76	63
77	24
78	6
79	1

[1, 1, 1, 1, 2, 1, 1, 3, 2, 1, 1, 4, 4, 3, 1, 1, 5, 7, 6, 3, 1, 1, 6, 11, 11, 8, 4, 1, 1, 7, 16, 19, 17, 11, 4, 1, 1, 8, 22, 31, 32, 26, 13, 5, 1, 1, 9, 29, 48, 56, 54, 35, 17, 5, 1, 1, 10, 37, 71, 93, 102, 82, 48, 20, 6, 1, 1, 11, 46, 101, 148, 180, 172, 120, 63, 24, 6, 1]

cp's OEIS Frontend

A186807 Triangle read by rows: T(n,p) (n >= 2, 1 <= p <= n-1) = number of compositions of n into p parts, with first part >= all other parts.

Table of values

List of values

n	a(n)
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	1
12	1
13	4
14	4
15	3
16	1
17	1
18	5
19	7
20	6
21	3
22	1
23	1
24	6
25	11
26	11
27	8
28	4
29	1
30	1
31	7
32	16
33	19
34	17
35	11
36	4
37	1
38	1
39	8
40	22
41	31
42	32
43	26
44	13
45	5
46	1
47	1
48	9
49	29
50	48
51	56
52	54
53	35
54	17
55	5
56	1
57	1
58	10
59	37
60	71
61	93
62	102
63	82
64	48
65	20
66	6
67	1
68	1
69	11
70	46
71	101
72	148
73	180
74	172
75	120
76	63
77	24
78	6
79	1

n	a(n)
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	1
12	1
13	4
14	4
15	3
16	1
17	1
18	5
19	7
20	6
21	3
22	1
23	1
24	6
25	11
26	11
27	8
28	4
29	1
30	1
31	7
32	16
33	19
34	17
35	11
36	4
37	1
38	1
39	8
40	22
41	31
42	32
43	26
44	13
45	5
46	1
47	1
48	9
49	29
50	48
51	56
52	54
53	35
54	17
55	5
56	1
57	1
58	10
59	37
60	71
61	93
62	102
63	82
64	48
65	20
66	6
67	1
68	1
69	11
70	46
71	101
72	148
73	180
74	172
75	120
76	63
77	24
78	6
79	1

n	a(n)
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	1
12	1
13	4
14	4
15	3
16	1
17	1
18	5
19	7
20	6
21	3
22	1
23	1
24	6
25	11
26	11
27	8
28	4
29	1
30	1
31	7
32	16
33	19
34	17
35	11
36	4
37	1
38	1
39	8
40	22
41	31
42	32
43	26
44	13
45	5
46	1
47	1
48	9
49	29
50	48
51	56
52	54
53	35
54	17
55	5
56	1
57	1
58	10
59	37
60	71
61	93
62	102
63	82
64	48
65	20
66	6
67	1
68	1
69	11
70	46
71	101
72	148
73	180
74	172
75	120
76	63
77	24
78	6
79	1