A156608 - cp's OEIS frontend

A156608 Triangle T(n, k, m) = round( t(n,m)/(t(k,m)*t(n-k,m)) ), with T(0, k, m) = 1, where t(n, k) = Product_{j=1..n} A129862(k+1, j), t(n, 0) = n!, and m = 2, read by rows.

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

[1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 1, -1, 1, 1, 1, -2, 2, 2, -2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, -1, 2, 2, -1, 1, 1, 1, -2, 2, 2, -4, 2, 2, -2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, -1, 2, 2, -1, 2, 2, -1, 1, 1]

cp's OEIS Frontend

A156608 Triangle T(n, k, m) = round( t(n,m)/(t(k,m)*t(n-k,m)) ), with T(0, k, m) = 1, where t(n, k) = Product_{j=1..n} A129862(k+1, j), t(n, 0) = n!, and m = 2, read by rows.

Table of values

List of values

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

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

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