A257857 - cp's OEIS frontend

A257857 Sequentially filled binary triangle rotated 180 degrees and then superimposed and added to the original triangle.

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

[2, 1, 1, 0, 2, 0, 1, 1, 1, 1, 2, 0, 2, 0, 2, 1, 1, 1, 1, 1, 1, 0, 2, 0, 2, 0, 2, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 2, 0, 2, 0, 2, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 2, 0, 2]

cp's OEIS Frontend

A257857 Sequentially filled binary triangle rotated 180 degrees and then superimposed and added to the original triangle.

Table of values

List of values

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

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

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