A241721 - cp's OEIS frontend

A241721 Number of compositions of n into distinct parts with exactly two descents.

n	a(n)
6	1
7	1
8	2
9	3
10	15
11	16
12	29
13	41
14	65
15	144
16	179
17	269
18	382
19	549
20	739
21	1286
22	1564
23	2254
24	2978
25	4124
26	5304
27	7264
28	10157
29	12941
30	17027
31	22194
32	28663
33	36884
34	47306
35	59837
36	79467
37	98114
38	125117
39	156392
40	198113
41	244710
42	307908
43	378429
44	471337
45	588642
46	721300
47	884498

[1, 1, 2, 3, 15, 16, 29, 41, 65, 144, 179, 269, 382, 549, 739, 1286, 1564, 2254, 2978, 4124, 5304, 7264, 10157, 12941, 17027, 22194, 28663, 36884, 47306, 59837, 79467, 98114, 125117, 156392, 198113, 244710, 307908, 378429, 471337, 588642, 721300, 884498]

cp's OEIS Frontend

A241721 Number of compositions of n into distinct parts with exactly two descents.

Table of values

List of values