A241723 - cp's OEIS frontend

A241723 Number of compositions of n into distinct parts with exactly four descents.

n	a(n)
15	1
16	1
17	2
18	3
19	5
20	7
21	67
22	70
23	132
24	194
25	315
26	436
27	674
28	2046
29	2401
30	3948
31	5669
32	8582
33	11784
34	17312
35	23187
36	47121
37	56974
38	86078
39	116892
40	169282
41	223496
42	316211
43	413133
44	565423
45	879530
46	1111950
47	1523112
48	2042569
49	2744398
50	3588200
51	4804470
52	6199849
53	8142059
54	10485846

[1, 1, 2, 3, 5, 7, 67, 70, 132, 194, 315, 436, 674, 2046, 2401, 3948, 5669, 8582, 11784, 17312, 23187, 47121, 56974, 86078, 116892, 169282, 223496, 316211, 413133, 565423, 879530, 1111950, 1523112, 2042569, 2744398, 3588200, 4804470, 6199849, 8142059, 10485846]

cp's OEIS Frontend

A241723 Number of compositions of n into distinct parts with exactly four descents.

Table of values

List of values