A180179 - cp's OEIS frontend

A180179 Triangle read by rows: T(n,k) is the number of compositions of n without 4's and having k parts; 1 <= k <= n.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	0
8	3
9	3
10	1
11	1
12	2
13	6
14	4
15	1
16	1
17	3
18	7
19	10
20	5
21	1
22	1
23	4
24	9
25	16
26	15
27	6
28	1
29	1
30	6
31	12
32	23
33	30
34	21
35	7
36	1
37	1
38	6
39	19
40	32
41	50
42	50
43	28
44	8
45	1
46	1
47	7
48	24
49	50
50	76
51	96
52	77
53	36
54	9
55	1
56	1
57	8
58	30
59	72
60	120
61	162
62	168
63	112
64	45
65	10
66	1
67	1
68	9
69	36
70	99
71	185
72	267
73	315
74	274
75	156
76	55
77	11
78	1
79	1
80	10
81	45

[1, 1, 1, 1, 2, 1, 0, 3, 3, 1, 1, 2, 6, 4, 1, 1, 3, 7, 10, 5, 1, 1, 4, 9, 16, 15, 6, 1, 1, 6, 12, 23, 30, 21, 7, 1, 1, 6, 19, 32, 50, 50, 28, 8, 1, 1, 7, 24, 50, 76, 96, 77, 36, 9, 1, 1, 8, 30, 72, 120, 162, 168, 112, 45, 10, 1, 1, 9, 36, 99, 185, 267, 315, 274, 156, 55, 11, 1, 1, 10, 45]

cp's OEIS Frontend

A180179 Triangle read by rows: T(n,k) is the number of compositions of n without 4's and having k parts; 1 <= k <= n.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	0
8	3
9	3
10	1
11	1
12	2
13	6
14	4
15	1
16	1
17	3
18	7
19	10
20	5
21	1
22	1
23	4
24	9
25	16
26	15
27	6
28	1
29	1
30	6
31	12
32	23
33	30
34	21
35	7
36	1
37	1
38	6
39	19
40	32
41	50
42	50
43	28
44	8
45	1
46	1
47	7
48	24
49	50
50	76
51	96
52	77
53	36
54	9
55	1
56	1
57	8
58	30
59	72
60	120
61	162
62	168
63	112
64	45
65	10
66	1
67	1
68	9
69	36
70	99
71	185
72	267
73	315
74	274
75	156
76	55
77	11
78	1
79	1
80	10
81	45

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	0
8	3
9	3
10	1
11	1
12	2
13	6
14	4
15	1
16	1
17	3
18	7
19	10
20	5
21	1
22	1
23	4
24	9
25	16
26	15
27	6
28	1
29	1
30	6
31	12
32	23
33	30
34	21
35	7
36	1
37	1
38	6
39	19
40	32
41	50
42	50
43	28
44	8
45	1
46	1
47	7
48	24
49	50
50	76
51	96
52	77
53	36
54	9
55	1
56	1
57	8
58	30
59	72
60	120
61	162
62	168
63	112
64	45
65	10
66	1
67	1
68	9
69	36
70	99
71	185
72	267
73	315
74	274
75	156
76	55
77	11
78	1
79	1
80	10
81	45

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	0
8	3
9	3
10	1
11	1
12	2
13	6
14	4
15	1
16	1
17	3
18	7
19	10
20	5
21	1
22	1
23	4
24	9
25	16
26	15
27	6
28	1
29	1
30	6
31	12
32	23
33	30
34	21
35	7
36	1
37	1
38	6
39	19
40	32
41	50
42	50
43	28
44	8
45	1
46	1
47	7
48	24
49	50
50	76
51	96
52	77
53	36
54	9
55	1
56	1
57	8
58	30
59	72
60	120
61	162
62	168
63	112
64	45
65	10
66	1
67	1
68	9
69	36
70	99
71	185
72	267
73	315
74	274
75	156
76	55
77	11
78	1
79	1
80	10
81	45