A206735 - cp's OEIS frontend

A206735 Triangle T(n,k), read by rows, given by (0, 2, -1/2, 1/2, 0, 0, 0, 0, 0, 0, 0, ...) DELTA (1, 0, -1/2, 1/2, 0, 0, 0, 0, 0, 0, 0, ...) where DELTA is the operator defined in A084938.

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	3
8	3
9	1
10	0
11	4
12	6
13	4
14	1
15	0
16	5
17	10
18	10
19	5
20	1
21	0
22	6
23	15
24	20
25	15
26	6
27	1
28	0
29	7
30	21
31	35
32	35
33	21
34	7
35	1
36	0
37	8
38	28
39	56
40	70
41	56
42	28
43	8
44	1
45	0
46	9
47	36
48	84
49	126
50	126
51	84
52	36
53	9
54	1
55	0
56	10
57	45
58	120
59	210
60	252
61	210
62	120
63	45
64	10
65	1
66	0
67	11
68	55
69	165
70	330
71	462
72	462
73	330
74	165
75	55
76	11
77	1

[1, 0, 1, 0, 2, 1, 0, 3, 3, 1, 0, 4, 6, 4, 1, 0, 5, 10, 10, 5, 1, 0, 6, 15, 20, 15, 6, 1, 0, 7, 21, 35, 35, 21, 7, 1, 0, 8, 28, 56, 70, 56, 28, 8, 1, 0, 9, 36, 84, 126, 126, 84, 36, 9, 1, 0, 10, 45, 120, 210, 252, 210, 120, 45, 10, 1, 0, 11, 55, 165, 330, 462, 462, 330, 165, 55, 11, 1]

cp's OEIS Frontend

A206735 Triangle T(n,k), read by rows, given by (0, 2, -1/2, 1/2, 0, 0, 0, 0, 0, 0, 0, ...) DELTA (1, 0, -1/2, 1/2, 0, 0, 0, 0, 0, 0, 0, ...) where DELTA is the operator defined in A084938.

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	3
8	3
9	1
10	0
11	4
12	6
13	4
14	1
15	0
16	5
17	10
18	10
19	5
20	1
21	0
22	6
23	15
24	20
25	15
26	6
27	1
28	0
29	7
30	21
31	35
32	35
33	21
34	7
35	1
36	0
37	8
38	28
39	56
40	70
41	56
42	28
43	8
44	1
45	0
46	9
47	36
48	84
49	126
50	126
51	84
52	36
53	9
54	1
55	0
56	10
57	45
58	120
59	210
60	252
61	210
62	120
63	45
64	10
65	1
66	0
67	11
68	55
69	165
70	330
71	462
72	462
73	330
74	165
75	55
76	11
77	1

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	3
8	3
9	1
10	0
11	4
12	6
13	4
14	1
15	0
16	5
17	10
18	10
19	5
20	1
21	0
22	6
23	15
24	20
25	15
26	6
27	1
28	0
29	7
30	21
31	35
32	35
33	21
34	7
35	1
36	0
37	8
38	28
39	56
40	70
41	56
42	28
43	8
44	1
45	0
46	9
47	36
48	84
49	126
50	126
51	84
52	36
53	9
54	1
55	0
56	10
57	45
58	120
59	210
60	252
61	210
62	120
63	45
64	10
65	1
66	0
67	11
68	55
69	165
70	330
71	462
72	462
73	330
74	165
75	55
76	11
77	1

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	3
8	3
9	1
10	0
11	4
12	6
13	4
14	1
15	0
16	5
17	10
18	10
19	5
20	1
21	0
22	6
23	15
24	20
25	15
26	6
27	1
28	0
29	7
30	21
31	35
32	35
33	21
34	7
35	1
36	0
37	8
38	28
39	56
40	70
41	56
42	28
43	8
44	1
45	0
46	9
47	36
48	84
49	126
50	126
51	84
52	36
53	9
54	1
55	0
56	10
57	45
58	120
59	210
60	252
61	210
62	120
63	45
64	10
65	1
66	0
67	11
68	55
69	165
70	330
71	462
72	462
73	330
74	165
75	55
76	11
77	1