A214270 - cp's OEIS frontend

A214270 Number of compositions of n where the difference between largest and smallest parts equals 1 and adjacent parts are unequal.

n	a(n)
1	0
2	0
3	2
4	1
5	3
6	2
7	4
8	2
9	4
10	4
11	4
12	3
13	5
14	4
15	6
16	2
17	6
18	6
19	4
20	4
21	6
22	6
23	6
24	3
25	7
26	4
27	8
28	6
29	4
30	6
31	6
32	6
33	8
34	4
35	8
36	4
37	6
38	8
39	8
40	5
41	5
42	8
43	6
44	4
45	12
46	6
47	6
48	4
49	8
50	8
51	6
52	8
53	8
54	6
55	8
56	4
57	8
58	8
59	8
60	9
61	5
62	6
63	12
64	2
65	8
66	8
67	10
68	8
69	6
70	8
71	6
72	8
73	8
74	6
75	10
76	6
77	12
78	8
79	4
80	6
81	10
82	8
83	8
84	7
85	11

[0, 0, 2, 1, 3, 2, 4, 2, 4, 4, 4, 3, 5, 4, 6, 2, 6, 6, 4, 4, 6, 6, 6, 3, 7, 4, 8, 6, 4, 6, 6, 6, 8, 4, 8, 4, 6, 8, 8, 5, 5, 8, 6, 4, 12, 6, 6, 4, 8, 8, 6, 8, 8, 6, 8, 4, 8, 8, 8, 9, 5, 6, 12, 2, 8, 8, 10, 8, 6, 8, 6, 8, 8, 6, 10, 6, 12, 8, 4, 6, 10, 8, 8, 7, 11]

cp's OEIS Frontend

A214270 Number of compositions of n where the difference between largest and smallest parts equals 1 and adjacent parts are unequal.

Table of values

List of values

n	a(n)
1	0
2	0
3	2
4	1
5	3
6	2
7	4
8	2
9	4
10	4
11	4
12	3
13	5
14	4
15	6
16	2
17	6
18	6
19	4
20	4
21	6
22	6
23	6
24	3
25	7
26	4
27	8
28	6
29	4
30	6
31	6
32	6
33	8
34	4
35	8
36	4
37	6
38	8
39	8
40	5
41	5
42	8
43	6
44	4
45	12
46	6
47	6
48	4
49	8
50	8
51	6
52	8
53	8
54	6
55	8
56	4
57	8
58	8
59	8
60	9
61	5
62	6
63	12
64	2
65	8
66	8
67	10
68	8
69	6
70	8
71	6
72	8
73	8
74	6
75	10
76	6
77	12
78	8
79	4
80	6
81	10
82	8
83	8
84	7
85	11

n	a(n)
1	0
2	0
3	2
4	1
5	3
6	2
7	4
8	2
9	4
10	4
11	4
12	3
13	5
14	4
15	6
16	2
17	6
18	6
19	4
20	4
21	6
22	6
23	6
24	3
25	7
26	4
27	8
28	6
29	4
30	6
31	6
32	6
33	8
34	4
35	8
36	4
37	6
38	8
39	8
40	5
41	5
42	8
43	6
44	4
45	12
46	6
47	6
48	4
49	8
50	8
51	6
52	8
53	8
54	6
55	8
56	4
57	8
58	8
59	8
60	9
61	5
62	6
63	12
64	2
65	8
66	8
67	10
68	8
69	6
70	8
71	6
72	8
73	8
74	6
75	10
76	6
77	12
78	8
79	4
80	6
81	10
82	8
83	8
84	7
85	11

n	a(n)
1	0
2	0
3	2
4	1
5	3
6	2
7	4
8	2
9	4
10	4
11	4
12	3
13	5
14	4
15	6
16	2
17	6
18	6
19	4
20	4
21	6
22	6
23	6
24	3
25	7
26	4
27	8
28	6
29	4
30	6
31	6
32	6
33	8
34	4
35	8
36	4
37	6
38	8
39	8
40	5
41	5
42	8
43	6
44	4
45	12
46	6
47	6
48	4
49	8
50	8
51	6
52	8
53	8
54	6
55	8
56	4
57	8
58	8
59	8
60	9
61	5
62	6
63	12
64	2
65	8
66	8
67	10
68	8
69	6
70	8
71	6
72	8
73	8
74	6
75	10
76	6
77	12
78	8
79	4
80	6
81	10
82	8
83	8
84	7
85	11