A172101 - cp's OEIS frontend

A172101 Triangle, read by rows, given by [0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, ...] DELTA [1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, ...] where DELTA is the operator defined in A084938.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	1
10	0
11	1
12	2
13	2
14	1
15	0
16	1
17	2
18	4
19	2
20	1
21	0
22	1
23	3
24	6
25	6
26	3
27	1
28	0
29	1
30	3
31	9
32	9
33	9
34	3
35	1
36	0
37	1
38	4
39	12
40	18
41	18
42	12
43	4
44	1
45	0
46	1
47	4
48	16
49	24
50	36
51	24
52	16
53	4
54	1
55	0
56	1
57	5
58	20
59	40
60	60
61	60
62	40
63	20
64	5
65	1
66	0
67	1
68	5
69	25
70	50
71	100
72	100
73	100
74	50
75	25
76	5
77	1
78	0
79	1
80	6
81	30
82	75
83	150
84	200
85	200
86	150
87	75
88	30
89	6
90	1

[1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 2, 2, 1, 0, 1, 2, 4, 2, 1, 0, 1, 3, 6, 6, 3, 1, 0, 1, 3, 9, 9, 9, 3, 1, 0, 1, 4, 12, 18, 18, 12, 4, 1, 0, 1, 4, 16, 24, 36, 24, 16, 4, 1, 0, 1, 5, 20, 40, 60, 60, 40, 20, 5, 1, 0, 1, 5, 25, 50, 100, 100, 100, 50, 25, 5, 1, 0, 1, 6, 30, 75, 150, 200, 200, 150, 75, 30, 6, 1]

cp's OEIS Frontend

A172101 Triangle, read by rows, given by [0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, ...] DELTA [1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, ...] 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	1
5	1
6	0
7	1
8	1
9	1
10	0
11	1
12	2
13	2
14	1
15	0
16	1
17	2
18	4
19	2
20	1
21	0
22	1
23	3
24	6
25	6
26	3
27	1
28	0
29	1
30	3
31	9
32	9
33	9
34	3
35	1
36	0
37	1
38	4
39	12
40	18
41	18
42	12
43	4
44	1
45	0
46	1
47	4
48	16
49	24
50	36
51	24
52	16
53	4
54	1
55	0
56	1
57	5
58	20
59	40
60	60
61	60
62	40
63	20
64	5
65	1
66	0
67	1
68	5
69	25
70	50
71	100
72	100
73	100
74	50
75	25
76	5
77	1
78	0
79	1
80	6
81	30
82	75
83	150
84	200
85	200
86	150
87	75
88	30
89	6
90	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	1
10	0
11	1
12	2
13	2
14	1
15	0
16	1
17	2
18	4
19	2
20	1
21	0
22	1
23	3
24	6
25	6
26	3
27	1
28	0
29	1
30	3
31	9
32	9
33	9
34	3
35	1
36	0
37	1
38	4
39	12
40	18
41	18
42	12
43	4
44	1
45	0
46	1
47	4
48	16
49	24
50	36
51	24
52	16
53	4
54	1
55	0
56	1
57	5
58	20
59	40
60	60
61	60
62	40
63	20
64	5
65	1
66	0
67	1
68	5
69	25
70	50
71	100
72	100
73	100
74	50
75	25
76	5
77	1
78	0
79	1
80	6
81	30
82	75
83	150
84	200
85	200
86	150
87	75
88	30
89	6
90	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	1
10	0
11	1
12	2
13	2
14	1
15	0
16	1
17	2
18	4
19	2
20	1
21	0
22	1
23	3
24	6
25	6
26	3
27	1
28	0
29	1
30	3
31	9
32	9
33	9
34	3
35	1
36	0
37	1
38	4
39	12
40	18
41	18
42	12
43	4
44	1
45	0
46	1
47	4
48	16
49	24
50	36
51	24
52	16
53	4
54	1
55	0
56	1
57	5
58	20
59	40
60	60
61	60
62	40
63	20
64	5
65	1
66	0
67	1
68	5
69	25
70	50
71	100
72	100
73	100
74	50
75	25
76	5
77	1
78	0
79	1
80	6
81	30
82	75
83	150
84	200
85	200
86	150
87	75
88	30
89	6
90	1