A156042 - cp's OEIS frontend

A156042 A(n,k) for n >= k in triangular ordering, where A(n,k) is the number of compositions (ordered partitions) of n into k parts, with the first part greater than or equal to all other parts.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	4
7	1
8	3
9	6
10	11
11	1
12	3
13	8
14	17
15	32
16	1
17	4
18	11
19	26
20	54
21	102
22	1
23	4
24	13
25	35
26	82
27	172
28	331
29	1
30	5
31	17
32	48
33	120
34	272
35	567
36	1101
37	1
38	5
39	20
40	63
41	170
42	412
43	918
44	1906
45	3724
46	1
47	6
48	24
49	81
50	235
51	607
52	1434
53	3152
54	6518
55	12782
56	1
57	6
58	28
59	102
60	317
61	872
62	2180
63	5049
64	10978
65	22616
66	44444

[1, 1, 2, 1, 2, 4, 1, 3, 6, 11, 1, 3, 8, 17, 32, 1, 4, 11, 26, 54, 102, 1, 4, 13, 35, 82, 172, 331, 1, 5, 17, 48, 120, 272, 567, 1101, 1, 5, 20, 63, 170, 412, 918, 1906, 3724, 1, 6, 24, 81, 235, 607, 1434, 3152, 6518, 12782, 1, 6, 28, 102, 317, 872, 2180, 5049, 10978, 22616, 44444]

cp's OEIS Frontend

A156042 A(n,k) for n >= k in triangular ordering, where A(n,k) is the number of compositions (ordered partitions) of n into k parts, with the first part greater than or equal to all other parts.

Table of values

List of values