A131257 - cp's OEIS frontend

A131257 Triangle read by rows: A052509 * A097807 as infinite lower triangular matrices.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	-1
7	2
8	1
9	1
10	0
11	1
12	3
13	1
14	1
15	0
16	1
17	4
18	3
19	1
20	1
21	1
22	0
23	6
24	5
25	3
26	1
27	1
28	0
29	1
30	6
31	10
32	5
33	3
34	1
35	1
36	0
37	1
38	7
39	15
40	11
41	5
42	3
43	1
44	1
45	-1
46	2
47	7
48	22
49	20
50	11
51	5
52	3
53	1
54	1
55	0
56	1
57	9
58	28
59	36
60	21
61	11
62	5
63	3
64	1
65	1
66	0
67	1
68	10
69	36
70	57
71	42
72	21
73	11
74	5
75	3
76	1
77	1
78	1
79	0
80	12
81	44
82	86
83	77
84	43
85	21
86	11
87	5
88	3
89	1
90	1

[1, 0, 1, 0, 1, 1, -1, 2, 1, 1, 0, 1, 3, 1, 1, 0, 1, 4, 3, 1, 1, 1, 0, 6, 5, 3, 1, 1, 0, 1, 6, 10, 5, 3, 1, 1, 0, 1, 7, 15, 11, 5, 3, 1, 1, -1, 2, 7, 22, 20, 11, 5, 3, 1, 1, 0, 1, 9, 28, 36, 21, 11, 5, 3, 1, 1, 0, 1, 10, 36, 57, 42, 21, 11, 5, 3, 1, 1, 1, 0, 12, 44, 86, 77, 43, 21, 11, 5, 3, 1, 1]

cp's OEIS Frontend

A131257 Triangle read by rows: A052509 * A097807 as infinite lower triangular matrices.

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	-1
7	2
8	1
9	1
10	0
11	1
12	3
13	1
14	1
15	0
16	1
17	4
18	3
19	1
20	1
21	1
22	0
23	6
24	5
25	3
26	1
27	1
28	0
29	1
30	6
31	10
32	5
33	3
34	1
35	1
36	0
37	1
38	7
39	15
40	11
41	5
42	3
43	1
44	1
45	-1
46	2
47	7
48	22
49	20
50	11
51	5
52	3
53	1
54	1
55	0
56	1
57	9
58	28
59	36
60	21
61	11
62	5
63	3
64	1
65	1
66	0
67	1
68	10
69	36
70	57
71	42
72	21
73	11
74	5
75	3
76	1
77	1
78	1
79	0
80	12
81	44
82	86
83	77
84	43
85	21
86	11
87	5
88	3
89	1
90	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	-1
7	2
8	1
9	1
10	0
11	1
12	3
13	1
14	1
15	0
16	1
17	4
18	3
19	1
20	1
21	1
22	0
23	6
24	5
25	3
26	1
27	1
28	0
29	1
30	6
31	10
32	5
33	3
34	1
35	1
36	0
37	1
38	7
39	15
40	11
41	5
42	3
43	1
44	1
45	-1
46	2
47	7
48	22
49	20
50	11
51	5
52	3
53	1
54	1
55	0
56	1
57	9
58	28
59	36
60	21
61	11
62	5
63	3
64	1
65	1
66	0
67	1
68	10
69	36
70	57
71	42
72	21
73	11
74	5
75	3
76	1
77	1
78	1
79	0
80	12
81	44
82	86
83	77
84	43
85	21
86	11
87	5
88	3
89	1
90	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	-1
7	2
8	1
9	1
10	0
11	1
12	3
13	1
14	1
15	0
16	1
17	4
18	3
19	1
20	1
21	1
22	0
23	6
24	5
25	3
26	1
27	1
28	0
29	1
30	6
31	10
32	5
33	3
34	1
35	1
36	0
37	1
38	7
39	15
40	11
41	5
42	3
43	1
44	1
45	-1
46	2
47	7
48	22
49	20
50	11
51	5
52	3
53	1
54	1
55	0
56	1
57	9
58	28
59	36
60	21
61	11
62	5
63	3
64	1
65	1
66	0
67	1
68	10
69	36
70	57
71	42
72	21
73	11
74	5
75	3
76	1
77	1
78	1
79	0
80	12
81	44
82	86
83	77
84	43
85	21
86	11
87	5
88	3
89	1
90	1