A106351 - cp's OEIS frontend

A106351 Triangle read by rows: T(n,k) = number of compositions of n into k parts such that no two adjacent parts are equal.

n	a(n)
1	1
2	1
3	0
4	1
5	2
6	0
7	1
8	2
9	1
10	0
11	1
12	4
13	2
14	0
15	0
16	1
17	4
18	7
19	2
20	0
21	0
22	1
23	6
24	9
25	6
26	1
27	0
28	0
29	1
30	6
31	15
32	14
33	3
34	0
35	0
36	0
37	1
38	8
39	21
40	24
41	15
42	2
43	0
44	0
45	0
46	1
47	8
48	28
49	46
50	30
51	10
52	1
53	0
54	0
55	0
56	1
57	10
58	35
59	66
60	68
61	30
62	4
63	0
64	0
65	0
66	0
67	1
68	10
69	46
70	100
71	119
72	76
73	24
74	2
75	0
76	0
77	0
78	0
79	1
80	12
81	54
82	138
83	204
84	168
85	69
86	14
87	1
88	0
89	0
90	0
91	0

[1, 1, 0, 1, 2, 0, 1, 2, 1, 0, 1, 4, 2, 0, 0, 1, 4, 7, 2, 0, 0, 1, 6, 9, 6, 1, 0, 0, 1, 6, 15, 14, 3, 0, 0, 0, 1, 8, 21, 24, 15, 2, 0, 0, 0, 1, 8, 28, 46, 30, 10, 1, 0, 0, 0, 1, 10, 35, 66, 68, 30, 4, 0, 0, 0, 0, 1, 10, 46, 100, 119, 76, 24, 2, 0, 0, 0, 0, 1, 12, 54, 138, 204, 168, 69, 14, 1, 0, 0, 0, 0]

cp's OEIS Frontend

A106351 Triangle read by rows: T(n,k) = number of compositions of n into k parts such that no two adjacent parts are equal.

Table of values

List of values

n	a(n)
1	1
2	1
3	0
4	1
5	2
6	0
7	1
8	2
9	1
10	0
11	1
12	4
13	2
14	0
15	0
16	1
17	4
18	7
19	2
20	0
21	0
22	1
23	6
24	9
25	6
26	1
27	0
28	0
29	1
30	6
31	15
32	14
33	3
34	0
35	0
36	0
37	1
38	8
39	21
40	24
41	15
42	2
43	0
44	0
45	0
46	1
47	8
48	28
49	46
50	30
51	10
52	1
53	0
54	0
55	0
56	1
57	10
58	35
59	66
60	68
61	30
62	4
63	0
64	0
65	0
66	0
67	1
68	10
69	46
70	100
71	119
72	76
73	24
74	2
75	0
76	0
77	0
78	0
79	1
80	12
81	54
82	138
83	204
84	168
85	69
86	14
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	2
9	1
10	0
11	1
12	4
13	2
14	0
15	0
16	1
17	4
18	7
19	2
20	0
21	0
22	1
23	6
24	9
25	6
26	1
27	0
28	0
29	1
30	6
31	15
32	14
33	3
34	0
35	0
36	0
37	1
38	8
39	21
40	24
41	15
42	2
43	0
44	0
45	0
46	1
47	8
48	28
49	46
50	30
51	10
52	1
53	0
54	0
55	0
56	1
57	10
58	35
59	66
60	68
61	30
62	4
63	0
64	0
65	0
66	0
67	1
68	10
69	46
70	100
71	119
72	76
73	24
74	2
75	0
76	0
77	0
78	0
79	1
80	12
81	54
82	138
83	204
84	168
85	69
86	14
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	2
9	1
10	0
11	1
12	4
13	2
14	0
15	0
16	1
17	4
18	7
19	2
20	0
21	0
22	1
23	6
24	9
25	6
26	1
27	0
28	0
29	1
30	6
31	15
32	14
33	3
34	0
35	0
36	0
37	1
38	8
39	21
40	24
41	15
42	2
43	0
44	0
45	0
46	1
47	8
48	28
49	46
50	30
51	10
52	1
53	0
54	0
55	0
56	1
57	10
58	35
59	66
60	68
61	30
62	4
63	0
64	0
65	0
66	0
67	1
68	10
69	46
70	100
71	119
72	76
73	24
74	2
75	0
76	0
77	0
78	0
79	1
80	12
81	54
82	138
83	204
84	168
85	69
86	14
87	1
88	0
89	0
90	0
91	0