A174696 - cp's OEIS frontend

A174696 Triangle T(n, k) = n!(1/k)^2(binomial(n-1, k-1)*binomial(n, k-1))^2 - n! + 1, read by rows.

n	a(n)
1	1
2	1
3	1
4	1
5	49
6	1
7	1
8	841
9	841
10	1
11	1
12	11881
13	47881
14	11881
15	1
16	1
17	161281
18	1799281
19	1799281
20	161281
21	1
22	1
23	2217601
24	55560961
25	154344961
26	55560961
27	2217601
28	1
29	1
30	31570561
31	1548892801
32	9680791681
33	9680791681
34	1548892801
35	31570561
36	1
37	1
38	469929601
39	40967337601
40	501853968001
41	1129171881601
42	501853968001
43	40967337601
44	469929601
45	1

[1, 1, 1, 1, 49, 1, 1, 841, 841, 1, 1, 11881, 47881, 11881, 1, 1, 161281, 1799281, 1799281, 161281, 1, 1, 2217601, 55560961, 154344961, 55560961, 2217601, 1, 1, 31570561, 1548892801, 9680791681, 9680791681, 1548892801, 31570561, 1, 1, 469929601, 40967337601, 501853968001, 1129171881601, 501853968001, 40967337601, 469929601, 1]

cp's OEIS Frontend

A174696 Triangle T(n, k) = n!(1/k)^2(binomial(n-1, k-1)*binomial(n, k-1))^2 - n! + 1, read by rows.

Table of values

List of values

cp's OEIS Frontend

A174696 Triangle T(n, k) = n!*(1/k)^2*(binomial(n-1, k-1)*binomial(n, k-1))^2 - n! + 1, read by rows.

Table of values

List of values

A174696 Triangle T(n, k) = n!(1/k)^2(binomial(n-1, k-1)*binomial(n, k-1))^2 - n! + 1, read by rows.