A356098 - cp's OEIS frontend

A356098 A family of triangles T(m), m >= 0, read by triangles and then by rows; triangle T(0) is [1; 1, 1]; for m >= 0, triangle T(m+1) is obtained by replacing each subtriangle [t; u, v] in T(m) by [t; t-u, t-v; u-t, t+u+v, v-t; u, u-v, v-u, v].

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

[1, 1, 1, 1, 0, 0, 0, 3, 0, 1, 0, 0, 1, 1, 1, 1, -1, 1, -1, 0, 0, 0, 0, 0, -3, 3, -3, 0, 0, 3, 3, 3, 3, 0, 0, -3, 3, 3, 3, -3, 0, -1, 0, 3, 3, 3, 3, 0, -1, 1, 1, 0, -3, 3, -3, 0, 1, 1, 1, 1, -1, 0, 0, 0, 0, -1, 1, 1, 1, 0, 0, 0, 3, 0, 1, 0, 0, 1, 2, 0, 3, 0, 2]

cp's OEIS Frontend

A356098 A family of triangles T(m), m >= 0, read by triangles and then by rows; triangle T(0) is [1; 1, 1]; for m >= 0, triangle T(m+1) is obtained by replacing each subtriangle [t; u, v] in T(m) by [t; t-u, t-v; u-t, t+u+v, v-t; u, u-v, v-u, v].

Table of values

List of values

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

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

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