A066170 - cp's OEIS frontend

A066170 Triangle read by rows: T(n,k) = (-1)^n(-1)^(floor(3k/2))*binomial(floor((n+k)/2),k), 0 <= k <= n, n >= 0.

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

[1, -1, 1, 1, -1, -1, -1, 2, 1, -1, 1, -2, -3, 1, 1, -1, 3, 3, -4, -1, 1, 1, -3, -6, 4, 5, -1, -1, -1, 4, 6, -10, -5, 6, 1, -1, 1, -4, -10, 10, 15, -6, -7, 1, 1, -1, 5, 10, -20, -15, 21, 7, -8, -1, 1, 1, -5, -15, 20, 35, -21, -28, 8, 9, -1, -1, -1, 6, 15, -35, -35, 56, 28, -36, -9, 10, 1, -1, 1, -6, -21, 35, 70, -56, -84, 36, 45, -10, -11]

cp's OEIS Frontend

A066170 Triangle read by rows: T(n,k) = (-1)^n(-1)^(floor(3k/2))*binomial(floor((n+k)/2),k), 0 <= k <= n, n >= 0.

Table of values

List of values

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

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

cp's OEIS Frontend

A066170 Triangle read by rows: T(n,k) = (-1)^n*(-1)^(floor(3*k/2))*binomial(floor((n+k)/2),k), 0 <= k <= n, n >= 0.

Table of values

List of values

A066170 Triangle read by rows: T(n,k) = (-1)^n(-1)^(floor(3k/2))*binomial(floor((n+k)/2),k), 0 <= k <= n, n >= 0.

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