A156039 - cp's OEIS frontend

A156039 Number of compositions (ordered partitions) of n into 4 parts, where the first is at least as great as each of the others.

n	a(n)
0	1
1	1
2	4
3	7
4	11
5	17
6	26
7	35
8	48
9	63
10	81
11	102
12	127
13	154
14	187
15	223
16	263
17	308
18	359
19	413
20	474
21	540
22	612
23	690
24	775
25	865
26	964
27	1069
28	1181
29	1301
30	1430
31	1565
32	1710
33	1863
34	2025
35	2196
36	2377
37	2566
38	2767
39	2977
40	3197
41	3428
42	3671
43	3923
44	4188
45	4464
46	4752
47	5052
48	5365
49	5689

[1, 1, 4, 7, 11, 17, 26, 35, 48, 63, 81, 102, 127, 154, 187, 223, 263, 308, 359, 413, 474, 540, 612, 690, 775, 865, 964, 1069, 1181, 1301, 1430, 1565, 1710, 1863, 2025, 2196, 2377, 2566, 2767, 2977, 3197, 3428, 3671, 3923, 4188, 4464, 4752, 5052, 5365, 5689]

cp's OEIS Frontend

A156039 Number of compositions (ordered partitions) of n into 4 parts, where the first is at least as great as each of the others.

Table of values

List of values