A276062 - cp's OEIS frontend

A276062 Triangle read by rows: T(n,k) is the number of compositions of n with parts in {1,4} and having asymmetry degree equal to k (n>=0; 0<=k<=floor(n/4)).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	1
10	4
11	3
12	4
13	2
14	8
15	4
16	6
17	4
18	3
19	12
20	4
21	6
22	8
23	12
24	4
25	20
26	12
27	8
28	14
29	28
30	5
31	32
32	24
33	8
34	11
35	24
36	52
37	8
38	7
39	52
40	40
41	32
42	15
43	38
44	96
45	32
46	10
47	80
48	72
49	88
50	21
51	56
52	172
53	80
54	16
55	14
56	122
57	132
58	192
59	16
60	29
61	84
62	304
63	160
64	80
65	19
66	184
67	232
68	392
69	80
70	40
71	128
72	516
73	312
74	256
75	26
76	278
77	384
78	768
79	240
80	32

[1, 1, 1, 1, 2, 1, 2, 2, 2, 1, 4, 3, 4, 2, 8, 4, 6, 4, 3, 12, 4, 6, 8, 12, 4, 20, 12, 8, 14, 28, 5, 32, 24, 8, 11, 24, 52, 8, 7, 52, 40, 32, 15, 38, 96, 32, 10, 80, 72, 88, 21, 56, 172, 80, 16, 14, 122, 132, 192, 16, 29, 84, 304, 160, 80, 19, 184, 232, 392, 80, 40, 128, 516, 312, 256, 26, 278, 384, 768, 240, 32]

cp's OEIS Frontend

A276062 Triangle read by rows: T(n,k) is the number of compositions of n with parts in {1,4} and having asymmetry degree equal to k (n>=0; 0<=k<=floor(n/4)).

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	1
10	4
11	3
12	4
13	2
14	8
15	4
16	6
17	4
18	3
19	12
20	4
21	6
22	8
23	12
24	4
25	20
26	12
27	8
28	14
29	28
30	5
31	32
32	24
33	8
34	11
35	24
36	52
37	8
38	7
39	52
40	40
41	32
42	15
43	38
44	96
45	32
46	10
47	80
48	72
49	88
50	21
51	56
52	172
53	80
54	16
55	14
56	122
57	132
58	192
59	16
60	29
61	84
62	304
63	160
64	80
65	19
66	184
67	232
68	392
69	80
70	40
71	128
72	516
73	312
74	256
75	26
76	278
77	384
78	768
79	240
80	32

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	1
10	4
11	3
12	4
13	2
14	8
15	4
16	6
17	4
18	3
19	12
20	4
21	6
22	8
23	12
24	4
25	20
26	12
27	8
28	14
29	28
30	5
31	32
32	24
33	8
34	11
35	24
36	52
37	8
38	7
39	52
40	40
41	32
42	15
43	38
44	96
45	32
46	10
47	80
48	72
49	88
50	21
51	56
52	172
53	80
54	16
55	14
56	122
57	132
58	192
59	16
60	29
61	84
62	304
63	160
64	80
65	19
66	184
67	232
68	392
69	80
70	40
71	128
72	516
73	312
74	256
75	26
76	278
77	384
78	768
79	240
80	32

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	1
10	4
11	3
12	4
13	2
14	8
15	4
16	6
17	4
18	3
19	12
20	4
21	6
22	8
23	12
24	4
25	20
26	12
27	8
28	14
29	28
30	5
31	32
32	24
33	8
34	11
35	24
36	52
37	8
38	7
39	52
40	40
41	32
42	15
43	38
44	96
45	32
46	10
47	80
48	72
49	88
50	21
51	56
52	172
53	80
54	16
55	14
56	122
57	132
58	192
59	16
60	29
61	84
62	304
63	160
64	80
65	19
66	184
67	232
68	392
69	80
70	40
71	128
72	516
73	312
74	256
75	26
76	278
77	384
78	768
79	240
80	32