A143468 - cp's OEIS frontend

A143468 Triangle read by rows, A054525 * A127775, 1<=k<=n.

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

[1, -1, 3, -1, 0, 5, 0, -3, 0, 7, -1, 0, 0, 0, 9, 1, -3, -5, 0, 0, 11, -1, 0, 0, 0, 0, 0, 13, 0, 0, 0, -7, 0, 0, 0, 15, 0, 0, -5, 0, 0, 0, 0, 0, 17, 1, -3, 0, 0, -9, 0, 0, 0, 0, 19, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21]

cp's OEIS Frontend

A143468 Triangle read by rows, A054525 * A127775, 1<=k<=n.

Table of values

List of values

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

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

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