A177693 - cp's OEIS frontend

A177693 Triangle, read by rows, T(n, k) = p(n)/(p(k)*p(n-k)), where p(n) = Product_{j=1..n} A001607(j).

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	3
12	3
13	3
14	1
15	1
16	-1
17	3
18	3
19	-1
20	1
21	1
22	-5
23	-5
24	15
25	-5
26	-5
27	1
28	1
29	7
30	35
31	35
32	35
33	35
34	7
35	1
36	1
37	3
38	-21
39	-105
40	35
41	-105
42	-21
43	3
44	1
45	1
46	-17
47	51
48	-357
49	595
50	595
51	-357
52	51
53	-17
54	1
55	1
56	11
57	187
58	-561
59	-1309
60	-6545
61	-1309
62	-561
63	187
64	11
65	1

[1, 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, 3, 3, 3, 1, 1, -1, 3, 3, -1, 1, 1, -5, -5, 15, -5, -5, 1, 1, 7, 35, 35, 35, 35, 7, 1, 1, 3, -21, -105, 35, -105, -21, 3, 1, 1, -17, 51, -357, 595, 595, -357, 51, -17, 1, 1, 11, 187, -561, -1309, -6545, -1309, -561, 187, 11, 1]

cp's OEIS Frontend

A177693 Triangle, read by rows, T(n, k) = p(n)/(p(k)*p(n-k)), where p(n) = Product_{j=1..n} A001607(j).

Table of values

List of values