A174294 - cp's OEIS frontend

A174294 Triangle T(n,k), read by rows, T(n,k) = (T(n-1,k-1) + T(n-2,k-1)) - (T(n-1,k) + T(n-2,k)), with T(n, 0) = T(n, k) = 1 and T(n, 1) = (n mod 2).

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

[1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, -1, 0, 1, 1, 0, 0, 2, -2, 0, 1, 1, 1, 0, 0, 3, -3, 0, 1, 1, 0, 1, -2, 1, 4, -4, 0, 1, 1, 1, 0, 3, -6, 3, 5, -5, 0, 1, 1, 0, 0, 0, 6, -12, 6, 6, -6, 0, 1, 1, 1, 1, -3, 3, 9, -20, 10, 7, -7, 0, 1, 1, 0, 0, 4, -12, 12, 11, -30, 15, 8, -8, 0, 1]

cp's OEIS Frontend

A174294 Triangle T(n,k), read by rows, T(n,k) = (T(n-1,k-1) + T(n-2,k-1)) - (T(n-1,k) + T(n-2,k)), with T(n, 0) = T(n, k) = 1 and T(n, 1) = (n mod 2).

Table of values

List of values

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

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

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