A123149 - cp's OEIS frontend

A123149 Triangle T(n,k), 0<=k<=n, read by rows given by [1, 0, -1, 0, 0, 0, 0, 0, ...] DELTA [0, 1, 0, -1, 0, 0, 0, 0, ...] where DELTA is the operator defined in A084938.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	1
11	2
12	2
13	1
14	0
15	1
16	2
17	3
18	2
19	1
20	0
21	1
22	3
23	5
24	5
25	3
26	1
27	0
28	1
29	3
30	6
31	7
32	6
33	3
34	1
35	0
36	1
37	4
38	9
39	13
40	13
41	9
42	4
43	1
44	0
45	1
46	4
47	10
48	16
49	19
50	16
51	10
52	4
53	1
54	0
55	1
56	5
57	14
58	26
59	35
60	35
61	26
62	14
63	5
64	1
65	0
66	1
67	5
68	15
69	30
70	45
71	51
72	45
73	30
74	15
75	5
76	1
77	0
78	1
79	6
80	20
81	45
82	75
83	96
84	96
85	75
86	45
87	20
88	6
89	1
90	0

[1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 2, 2, 1, 0, 1, 2, 3, 2, 1, 0, 1, 3, 5, 5, 3, 1, 0, 1, 3, 6, 7, 6, 3, 1, 0, 1, 4, 9, 13, 13, 9, 4, 1, 0, 1, 4, 10, 16, 19, 16, 10, 4, 1, 0, 1, 5, 14, 26, 35, 35, 26, 14, 5, 1, 0, 1, 5, 15, 30, 45, 51, 45, 30, 15, 5, 1, 0, 1, 6, 20, 45, 75, 96, 96, 75, 45, 20, 6, 1, 0]

cp's OEIS Frontend

A123149 Triangle T(n,k), 0<=k<=n, read by rows given by [1, 0, -1, 0, 0, 0, 0, 0, ...] DELTA [0, 1, 0, -1, 0, 0, 0, 0, ...] where DELTA is the operator defined in A084938.

Table of values

List of values

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	1
11	2
12	2
13	1
14	0
15	1
16	2
17	3
18	2
19	1
20	0
21	1
22	3
23	5
24	5
25	3
26	1
27	0
28	1
29	3
30	6
31	7
32	6
33	3
34	1
35	0
36	1
37	4
38	9
39	13
40	13
41	9
42	4
43	1
44	0
45	1
46	4
47	10
48	16
49	19
50	16
51	10
52	4
53	1
54	0
55	1
56	5
57	14
58	26
59	35
60	35
61	26
62	14
63	5
64	1
65	0
66	1
67	5
68	15
69	30
70	45
71	51
72	45
73	30
74	15
75	5
76	1
77	0
78	1
79	6
80	20
81	45
82	75
83	96
84	96
85	75
86	45
87	20
88	6
89	1
90	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	1
11	2
12	2
13	1
14	0
15	1
16	2
17	3
18	2
19	1
20	0
21	1
22	3
23	5
24	5
25	3
26	1
27	0
28	1
29	3
30	6
31	7
32	6
33	3
34	1
35	0
36	1
37	4
38	9
39	13
40	13
41	9
42	4
43	1
44	0
45	1
46	4
47	10
48	16
49	19
50	16
51	10
52	4
53	1
54	0
55	1
56	5
57	14
58	26
59	35
60	35
61	26
62	14
63	5
64	1
65	0
66	1
67	5
68	15
69	30
70	45
71	51
72	45
73	30
74	15
75	5
76	1
77	0
78	1
79	6
80	20
81	45
82	75
83	96
84	96
85	75
86	45
87	20
88	6
89	1
90	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	1
11	2
12	2
13	1
14	0
15	1
16	2
17	3
18	2
19	1
20	0
21	1
22	3
23	5
24	5
25	3
26	1
27	0
28	1
29	3
30	6
31	7
32	6
33	3
34	1
35	0
36	1
37	4
38	9
39	13
40	13
41	9
42	4
43	1
44	0
45	1
46	4
47	10
48	16
49	19
50	16
51	10
52	4
53	1
54	0
55	1
56	5
57	14
58	26
59	35
60	35
61	26
62	14
63	5
64	1
65	0
66	1
67	5
68	15
69	30
70	45
71	51
72	45
73	30
74	15
75	5
76	1
77	0
78	1
79	6
80	20
81	45
82	75
83	96
84	96
85	75
86	45
87	20
88	6
89	1
90	0