A357646 - cp's OEIS frontend

A357646 Triangle read by rows where T(n,k) is the number of integer compositions of n with skew-alternating sum k, where k ranges from -n to n in steps of 2.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	1
9	1
10	0
11	3
12	3
13	1
14	1
15	0
16	4
17	5
18	5
19	1
20	1
21	0
22	5
23	7
24	10
25	8
26	1
27	1
28	0
29	6
30	9
31	17
32	18
33	12
34	1
35	1
36	0
37	7
38	11
39	27
40	35
41	29
42	17
43	1
44	1
45	0
46	8
47	13
48	41
49	63
50	63
51	43
52	23
53	1
54	1
55	0
56	9
57	15
58	60
59	106
60	126
61	104
62	60
63	30
64	1
65	1
66	0
67	10
68	17
69	85
70	168
71	232
72	230
73	162
74	80
75	38
76	1
77	1

[1, 0, 1, 0, 1, 1, 0, 2, 1, 1, 0, 3, 3, 1, 1, 0, 4, 5, 5, 1, 1, 0, 5, 7, 10, 8, 1, 1, 0, 6, 9, 17, 18, 12, 1, 1, 0, 7, 11, 27, 35, 29, 17, 1, 1, 0, 8, 13, 41, 63, 63, 43, 23, 1, 1, 0, 9, 15, 60, 106, 126, 104, 60, 30, 1, 1, 0, 10, 17, 85, 168, 232, 230, 162, 80, 38, 1, 1]

cp's OEIS Frontend

A357646 Triangle read by rows where T(n,k) is the number of integer compositions of n with skew-alternating sum k, where k ranges from -n to n in steps of 2.

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	1
9	1
10	0
11	3
12	3
13	1
14	1
15	0
16	4
17	5
18	5
19	1
20	1
21	0
22	5
23	7
24	10
25	8
26	1
27	1
28	0
29	6
30	9
31	17
32	18
33	12
34	1
35	1
36	0
37	7
38	11
39	27
40	35
41	29
42	17
43	1
44	1
45	0
46	8
47	13
48	41
49	63
50	63
51	43
52	23
53	1
54	1
55	0
56	9
57	15
58	60
59	106
60	126
61	104
62	60
63	30
64	1
65	1
66	0
67	10
68	17
69	85
70	168
71	232
72	230
73	162
74	80
75	38
76	1
77	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	1
9	1
10	0
11	3
12	3
13	1
14	1
15	0
16	4
17	5
18	5
19	1
20	1
21	0
22	5
23	7
24	10
25	8
26	1
27	1
28	0
29	6
30	9
31	17
32	18
33	12
34	1
35	1
36	0
37	7
38	11
39	27
40	35
41	29
42	17
43	1
44	1
45	0
46	8
47	13
48	41
49	63
50	63
51	43
52	23
53	1
54	1
55	0
56	9
57	15
58	60
59	106
60	126
61	104
62	60
63	30
64	1
65	1
66	0
67	10
68	17
69	85
70	168
71	232
72	230
73	162
74	80
75	38
76	1
77	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	1
9	1
10	0
11	3
12	3
13	1
14	1
15	0
16	4
17	5
18	5
19	1
20	1
21	0
22	5
23	7
24	10
25	8
26	1
27	1
28	0
29	6
30	9
31	17
32	18
33	12
34	1
35	1
36	0
37	7
38	11
39	27
40	35
41	29
42	17
43	1
44	1
45	0
46	8
47	13
48	41
49	63
50	63
51	43
52	23
53	1
54	1
55	0
56	9
57	15
58	60
59	106
60	126
61	104
62	60
63	30
64	1
65	1
66	0
67	10
68	17
69	85
70	168
71	232
72	230
73	162
74	80
75	38
76	1
77	1