A143542 - cp's OEIS frontend

A143542 Triangle read by rows, A051731 * A143541 as infinite lower triangular matrices; 1<=k<=n.

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

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

cp's OEIS Frontend

A143542 Triangle read by rows, A051731 * A143541 as infinite lower triangular matrices; 1<=k<=n.

Table of values

List of values

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

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

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