A345907 - cp's OEIS frontend

A345907 Triangle giving the main antidiagonals of the matrices counting integer compositions by length and alternating sum (A345197).

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

[1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 2, 2, 1, 1, 0, 0, 4, 3, 1, 1, 0, 0, 3, 6, 4, 1, 1, 0, 0, 6, 9, 8, 5, 1, 1, 0, 0, 0, 18, 18, 10, 6, 1, 1, 0, 0, 0, 10, 36, 30, 12, 7, 1, 1, 0, 0, 0, 20, 40, 60, 45, 14, 8, 1, 1, 0, 0, 0, 0, 80, 100, 90, 63, 16, 9, 1, 1]

cp's OEIS Frontend

A345907 Triangle giving the main antidiagonals of the matrices counting integer compositions by length and alternating sum (A345197).

Table of values

List of values

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

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

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