A309938 - cp's OEIS frontend

A309938 Triangle read by rows: T(n,k) is the number of compositions of n with k parts and differences all equal to 1 or -1.

n	a(n)
1	1
2	1
3	0
4	1
5	2
6	0
7	1
8	0
9	1
10	0
11	1
12	2
13	1
14	0
15	0
16	1
17	0
18	2
19	2
20	0
21	0
22	1
23	2
24	1
25	0
26	1
27	0
28	0
29	1
30	0
31	1
32	4
33	1
34	0
35	0
36	0
37	1
38	2
39	2
40	0
41	3
42	2
43	0
44	0
45	0
46	1
47	0
48	1
49	4
50	2
51	0
52	1
53	0
54	0
55	0
56	1
57	2
58	1
59	0
60	3
61	6
62	1
63	0
64	0
65	0
66	0
67	1
68	0
69	2
70	4
71	3
72	0
73	4
74	2
75	0
76	0
77	0
78	0
79	1
80	2
81	1
82	0
83	3
84	8
85	3
86	0
87	1
88	0
89	0
90	0
91	0

[1, 1, 0, 1, 2, 0, 1, 0, 1, 0, 1, 2, 1, 0, 0, 1, 0, 2, 2, 0, 0, 1, 2, 1, 0, 1, 0, 0, 1, 0, 1, 4, 1, 0, 0, 0, 1, 2, 2, 0, 3, 2, 0, 0, 0, 1, 0, 1, 4, 2, 0, 1, 0, 0, 0, 1, 2, 1, 0, 3, 6, 1, 0, 0, 0, 0, 1, 0, 2, 4, 3, 0, 4, 2, 0, 0, 0, 0, 1, 2, 1, 0, 3, 8, 3, 0, 1, 0, 0, 0, 0]

cp's OEIS Frontend

A309938 Triangle read by rows: T(n,k) is the number of compositions of n with k parts and differences all equal to 1 or -1.

Table of values

List of values

n	a(n)
1	1
2	1
3	0
4	1
5	2
6	0
7	1
8	0
9	1
10	0
11	1
12	2
13	1
14	0
15	0
16	1
17	0
18	2
19	2
20	0
21	0
22	1
23	2
24	1
25	0
26	1
27	0
28	0
29	1
30	0
31	1
32	4
33	1
34	0
35	0
36	0
37	1
38	2
39	2
40	0
41	3
42	2
43	0
44	0
45	0
46	1
47	0
48	1
49	4
50	2
51	0
52	1
53	0
54	0
55	0
56	1
57	2
58	1
59	0
60	3
61	6
62	1
63	0
64	0
65	0
66	0
67	1
68	0
69	2
70	4
71	3
72	0
73	4
74	2
75	0
76	0
77	0
78	0
79	1
80	2
81	1
82	0
83	3
84	8
85	3
86	0
87	1
88	0
89	0
90	0
91	0

n	a(n)
1	1
2	1
3	0
4	1
5	2
6	0
7	1
8	0
9	1
10	0
11	1
12	2
13	1
14	0
15	0
16	1
17	0
18	2
19	2
20	0
21	0
22	1
23	2
24	1
25	0
26	1
27	0
28	0
29	1
30	0
31	1
32	4
33	1
34	0
35	0
36	0
37	1
38	2
39	2
40	0
41	3
42	2
43	0
44	0
45	0
46	1
47	0
48	1
49	4
50	2
51	0
52	1
53	0
54	0
55	0
56	1
57	2
58	1
59	0
60	3
61	6
62	1
63	0
64	0
65	0
66	0
67	1
68	0
69	2
70	4
71	3
72	0
73	4
74	2
75	0
76	0
77	0
78	0
79	1
80	2
81	1
82	0
83	3
84	8
85	3
86	0
87	1
88	0
89	0
90	0
91	0

n	a(n)
1	1
2	1
3	0
4	1
5	2
6	0
7	1
8	0
9	1
10	0
11	1
12	2
13	1
14	0
15	0
16	1
17	0
18	2
19	2
20	0
21	0
22	1
23	2
24	1
25	0
26	1
27	0
28	0
29	1
30	0
31	1
32	4
33	1
34	0
35	0
36	0
37	1
38	2
39	2
40	0
41	3
42	2
43	0
44	0
45	0
46	1
47	0
48	1
49	4
50	2
51	0
52	1
53	0
54	0
55	0
56	1
57	2
58	1
59	0
60	3
61	6
62	1
63	0
64	0
65	0
66	0
67	1
68	0
69	2
70	4
71	3
72	0
73	4
74	2
75	0
76	0
77	0
78	0
79	1
80	2
81	1
82	0
83	3
84	8
85	3
86	0
87	1
88	0
89	0
90	0
91	0