A135392 - cp's OEIS frontend

A135392 A triangular sequence from a general proportionality to modular function polynomial triangular function.

n	a(n)
1	-1
2	-1
3	1
4	1
5	-1
6	2
7	3
8	1
9	-1
10	3
11	6
12	4
13	1
14	-1
15	4
16	10
17	10
18	5
19	1
20	-1
21	5
22	15
23	20
24	15
25	6
26	1
27	-1
28	6
29	21
30	35
31	35
32	21
33	7
34	1
35	-1
36	7
37	28
38	56
39	70
40	56
41	28
42	8
43	1
44	-1
45	8
46	36
47	84
48	126
49	126
50	84
51	36
52	9
53	1
54	-1
55	9
56	45
57	120
58	210
59	252
60	210
61	120
62	45
63	10
64	1
65	-1
66	10
67	55
68	165
69	330
70	462
71	462
72	330
73	165
74	55
75	11
76	1

[-1, -1, 1, 1, -1, 2, 3, 1, -1, 3, 6, 4, 1, -1, 4, 10, 10, 5, 1, -1, 5, 15, 20, 15, 6, 1, -1, 6, 21, 35, 35, 21, 7, 1, -1, 7, 28, 56, 70, 56, 28, 8, 1, -1, 8, 36, 84, 126, 126, 84, 36, 9, 1, -1, 9, 45, 120, 210, 252, 210, 120, 45, 10, 1, -1, 10, 55, 165, 330, 462, 462, 330, 165, 55, 11, 1]

cp's OEIS Frontend

A135392 A triangular sequence from a general proportionality to modular function polynomial triangular function.

Table of values

List of values

n	a(n)
1	-1
2	-1
3	1
4	1
5	-1
6	2
7	3
8	1
9	-1
10	3
11	6
12	4
13	1
14	-1
15	4
16	10
17	10
18	5
19	1
20	-1
21	5
22	15
23	20
24	15
25	6
26	1
27	-1
28	6
29	21
30	35
31	35
32	21
33	7
34	1
35	-1
36	7
37	28
38	56
39	70
40	56
41	28
42	8
43	1
44	-1
45	8
46	36
47	84
48	126
49	126
50	84
51	36
52	9
53	1
54	-1
55	9
56	45
57	120
58	210
59	252
60	210
61	120
62	45
63	10
64	1
65	-1
66	10
67	55
68	165
69	330
70	462
71	462
72	330
73	165
74	55
75	11
76	1

n	a(n)
1	-1
2	-1
3	1
4	1
5	-1
6	2
7	3
8	1
9	-1
10	3
11	6
12	4
13	1
14	-1
15	4
16	10
17	10
18	5
19	1
20	-1
21	5
22	15
23	20
24	15
25	6
26	1
27	-1
28	6
29	21
30	35
31	35
32	21
33	7
34	1
35	-1
36	7
37	28
38	56
39	70
40	56
41	28
42	8
43	1
44	-1
45	8
46	36
47	84
48	126
49	126
50	84
51	36
52	9
53	1
54	-1
55	9
56	45
57	120
58	210
59	252
60	210
61	120
62	45
63	10
64	1
65	-1
66	10
67	55
68	165
69	330
70	462
71	462
72	330
73	165
74	55
75	11
76	1

n	a(n)
1	-1
2	-1
3	1
4	1
5	-1
6	2
7	3
8	1
9	-1
10	3
11	6
12	4
13	1
14	-1
15	4
16	10
17	10
18	5
19	1
20	-1
21	5
22	15
23	20
24	15
25	6
26	1
27	-1
28	6
29	21
30	35
31	35
32	21
33	7
34	1
35	-1
36	7
37	28
38	56
39	70
40	56
41	28
42	8
43	1
44	-1
45	8
46	36
47	84
48	126
49	126
50	84
51	36
52	9
53	1
54	-1
55	9
56	45
57	120
58	210
59	252
60	210
61	120
62	45
63	10
64	1
65	-1
66	10
67	55
68	165
69	330
70	462
71	462
72	330
73	165
74	55
75	11
76	1