A090971 - cp's OEIS frontend

A090971 Sierpiński's triangle, read by rows, starting from 1: T(n,k) = (T(n-1,k) + T(n-1,k-1)) mod 2.

n	a(n)
1	1
2	0
3	1
4	1
5	1
6	1
7	0
8	0
9	0
10	1
11	1
12	0
13	0
14	1
15	1
16	0
17	1
18	0
19	1
20	0
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	1
37	1
38	0
39	0
40	0
41	0
42	0
43	0
44	1
45	1
46	0
47	1
48	0
49	0
50	0
51	0
52	0
53	1
54	0
55	1
56	1
57	1
58	1
59	0
60	0
61	0
62	0
63	1
64	1
65	1
66	1
67	0
68	0
69	0
70	1
71	0
72	0
73	0
74	1
75	0
76	0
77	0
78	1
79	1
80	0
81	0
82	1
83	1
84	0
85	0
86	1
87	1
88	0
89	0
90	1
91	1
92	0
93	1
94	0
95	1
96	0
97	1
98	0
99	1
100	0
101	1
102	0
103	1
104	0
105	1

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

cp's OEIS Frontend

A090971 Sierpiński's triangle, read by rows, starting from 1: T(n,k) = (T(n-1,k) + T(n-1,k-1)) mod 2.

Table of values

List of values

n	a(n)
1	1
2	0
3	1
4	1
5	1
6	1
7	0
8	0
9	0
10	1
11	1
12	0
13	0
14	1
15	1
16	0
17	1
18	0
19	1
20	0
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	1
37	1
38	0
39	0
40	0
41	0
42	0
43	0
44	1
45	1
46	0
47	1
48	0
49	0
50	0
51	0
52	0
53	1
54	0
55	1
56	1
57	1
58	1
59	0
60	0
61	0
62	0
63	1
64	1
65	1
66	1
67	0
68	0
69	0
70	1
71	0
72	0
73	0
74	1
75	0
76	0
77	0
78	1
79	1
80	0
81	0
82	1
83	1
84	0
85	0
86	1
87	1
88	0
89	0
90	1
91	1
92	0
93	1
94	0
95	1
96	0
97	1
98	0
99	1
100	0
101	1
102	0
103	1
104	0
105	1

n	a(n)
1	1
2	0
3	1
4	1
5	1
6	1
7	0
8	0
9	0
10	1
11	1
12	0
13	0
14	1
15	1
16	0
17	1
18	0
19	1
20	0
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	1
37	1
38	0
39	0
40	0
41	0
42	0
43	0
44	1
45	1
46	0
47	1
48	0
49	0
50	0
51	0
52	0
53	1
54	0
55	1
56	1
57	1
58	1
59	0
60	0
61	0
62	0
63	1
64	1
65	1
66	1
67	0
68	0
69	0
70	1
71	0
72	0
73	0
74	1
75	0
76	0
77	0
78	1
79	1
80	0
81	0
82	1
83	1
84	0
85	0
86	1
87	1
88	0
89	0
90	1
91	1
92	0
93	1
94	0
95	1
96	0
97	1
98	0
99	1
100	0
101	1
102	0
103	1
104	0
105	1

n	a(n)
1	1
2	0
3	1
4	1
5	1
6	1
7	0
8	0
9	0
10	1
11	1
12	0
13	0
14	1
15	1
16	0
17	1
18	0
19	1
20	0
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	1
37	1
38	0
39	0
40	0
41	0
42	0
43	0
44	1
45	1
46	0
47	1
48	0
49	0
50	0
51	0
52	0
53	1
54	0
55	1
56	1
57	1
58	1
59	0
60	0
61	0
62	0
63	1
64	1
65	1
66	1
67	0
68	0
69	0
70	1
71	0
72	0
73	0
74	1
75	0
76	0
77	0
78	1
79	1
80	0
81	0
82	1
83	1
84	0
85	0
86	1
87	1
88	0
89	0
90	1
91	1
92	0
93	1
94	0
95	1
96	0
97	1
98	0
99	1
100	0
101	1
102	0
103	1
104	0
105	1