A143540 - cp's OEIS frontend

A143540 Triangle read by rows, (A143538)^2; 1<=k<=n.

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

[0, 0, 1, 0, 2, 1, 0, 2, 1, 0, 0, 3, 2, 0, 1, 0, 3, 2, 0, 1, 0, 0, 4, 3, 0, 2, 0, 1, 0, 4, 3, 0, 2, 0, 1, 0, 0, 4, 3, 0, 2, 0, 1, 0, 0, 0, 4, 3, 0, 2, 0, 1, 0, 0, 0, 0, 5, 4, 0, 3, 0, 2, 0, 0, 0, 1]

cp's OEIS Frontend

A143540 Triangle read by rows, (A143538)^2; 1<=k<=n.

Table of values

List of values

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

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

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