A332874 - cp's OEIS frontend

A332874 Number of strict compositions of n that are neither unimodal nor is their negation.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	10
11	10
12	20
13	30
14	50
15	150
16	180
17	290
18	420
19	630
20	860
21	1828
22	2168
23	3326
24	4514
25	6530
26	8576
27	12188
28	20096
29	25314
30	35576
31	48062
32	65592
33	86752
34	117222
35	152060
36	237590
37	292346
38	402798
39	524596
40	711270
41	910606
42	1221204
43	1554382
44	2044460
45	2927124

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10, 20, 30, 50, 150, 180, 290, 420, 630, 860, 1828, 2168, 3326, 4514, 6530, 8576, 12188, 20096, 25314, 35576, 48062, 65592, 86752, 117222, 152060, 237590, 292346, 402798, 524596, 711270, 910606, 1221204, 1554382, 2044460, 2927124]

cp's OEIS Frontend

A332874 Number of strict compositions of n that are neither unimodal nor is their negation.

Table of values

List of values