A180180 - cp's OEIS frontend

A180180 Triangle read by rows: T(n,k) is the number of compositions of n without 5's and having k parts; 1 <= k <= n.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	0
12	4
13	6
14	4
15	1
16	1
17	3
18	10
19	10
20	5
21	1
22	1
23	4
24	12
25	20
26	15
27	6
28	1
29	1
30	5
31	15
32	31
33	35
34	21
35	7
36	1
37	1
38	6
39	19
40	44
41	65
42	56
43	28
44	8
45	1
46	1
47	8
48	24
49	60
50	106
51	120
52	84
53	36
54	9
55	1
56	1
57	8
58	33
59	80
60	160
61	222
62	203
63	120
64	45
65	10
66	1
67	1
68	9
69	40
70	111
71	230
72	372
73	420
74	322
75	165
76	55
77	11
78	1

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 0, 4, 6, 4, 1, 1, 3, 10, 10, 5, 1, 1, 4, 12, 20, 15, 6, 1, 1, 5, 15, 31, 35, 21, 7, 1, 1, 6, 19, 44, 65, 56, 28, 8, 1, 1, 8, 24, 60, 106, 120, 84, 36, 9, 1, 1, 8, 33, 80, 160, 222, 203, 120, 45, 10, 1, 1, 9, 40, 111, 230, 372, 420, 322, 165, 55, 11, 1]

cp's OEIS Frontend

A180180 Triangle read by rows: T(n,k) is the number of compositions of n without 5'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	1
8	3
9	3
10	1
11	0
12	4
13	6
14	4
15	1
16	1
17	3
18	10
19	10
20	5
21	1
22	1
23	4
24	12
25	20
26	15
27	6
28	1
29	1
30	5
31	15
32	31
33	35
34	21
35	7
36	1
37	1
38	6
39	19
40	44
41	65
42	56
43	28
44	8
45	1
46	1
47	8
48	24
49	60
50	106
51	120
52	84
53	36
54	9
55	1
56	1
57	8
58	33
59	80
60	160
61	222
62	203
63	120
64	45
65	10
66	1
67	1
68	9
69	40
70	111
71	230
72	372
73	420
74	322
75	165
76	55
77	11
78	1

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	0
12	4
13	6
14	4
15	1
16	1
17	3
18	10
19	10
20	5
21	1
22	1
23	4
24	12
25	20
26	15
27	6
28	1
29	1
30	5
31	15
32	31
33	35
34	21
35	7
36	1
37	1
38	6
39	19
40	44
41	65
42	56
43	28
44	8
45	1
46	1
47	8
48	24
49	60
50	106
51	120
52	84
53	36
54	9
55	1
56	1
57	8
58	33
59	80
60	160
61	222
62	203
63	120
64	45
65	10
66	1
67	1
68	9
69	40
70	111
71	230
72	372
73	420
74	322
75	165
76	55
77	11
78	1

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	0
12	4
13	6
14	4
15	1
16	1
17	3
18	10
19	10
20	5
21	1
22	1
23	4
24	12
25	20
26	15
27	6
28	1
29	1
30	5
31	15
32	31
33	35
34	21
35	7
36	1
37	1
38	6
39	19
40	44
41	65
42	56
43	28
44	8
45	1
46	1
47	8
48	24
49	60
50	106
51	120
52	84
53	36
54	9
55	1
56	1
57	8
58	33
59	80
60	160
61	222
62	203
63	120
64	45
65	10
66	1
67	1
68	9
69	40
70	111
71	230
72	372
73	420
74	322
75	165
76	55
77	11
78	1