A118407 - cp's OEIS frontend

A118407 Triangle, read by rows, equal to the matrix square of triangle A118404; also equals the matrix inverse of triangle A118401.

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

[1, 0, 1, -2, 0, 1, 2, -2, 0, 1, 0, 2, -2, 0, 1, -2, 0, 2, -2, 0, 1, 4, -2, 0, 2, -2, 0, 1, -6, 4, -2, 0, 2, -2, 0, 1, 4, -6, 4, -2, 0, 2, -2, 0, 1, 6, 4, -6, 4, -2, 0, 2, -2, 0, 1, -20, 6, 4, -6, 4, -2, 0, 2, -2, 0, 1, 26, -20, 6, 4, -6, 4, -2, 0, 2, -2, 0, 1, -12, 26, -20, 6, 4, -6, 4, -2, 0, 2, -2, 0, 1]

cp's OEIS Frontend

A118407 Triangle, read by rows, equal to the matrix square of triangle A118404; also equals the matrix inverse of triangle A118401.

Table of values

List of values

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

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

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