A169656 - cp's OEIS frontend

A169656 Triangle, read by rows, T(n, k) = (-1)^n(n!/k!)^2binomial(n-1, k-1).

n	a(n)
1	-1
2	4
3	1
4	-36
5	-18
6	-1
7	576
8	432
9	48
10	1
11	-14400
12	-14400
13	-2400
14	-100
15	-1
16	518400
17	648000
18	144000
19	9000
20	180
21	1
22	-25401600
23	-38102400
24	-10584000
25	-882000
26	-26460
27	-294
28	-1
29	1625702400
30	2844979200
31	948326400
32	98784000
33	3951360
34	65856
35	448
36	1

[-1, 4, 1, -36, -18, -1, 576, 432, 48, 1, -14400, -14400, -2400, -100, -1, 518400, 648000, 144000, 9000, 180, 1, -25401600, -38102400, -10584000, -882000, -26460, -294, -1, 1625702400, 2844979200, 948326400, 98784000, 3951360, 65856, 448, 1]

cp's OEIS Frontend

A169656 Triangle, read by rows, T(n, k) = (-1)^n(n!/k!)^2binomial(n-1, k-1).

Table of values

List of values

cp's OEIS Frontend

A169656 Triangle, read by rows, T(n, k) = (-1)^n*(n!/k!)^2*binomial(n-1, k-1).

Table of values

List of values

A169656 Triangle, read by rows, T(n, k) = (-1)^n(n!/k!)^2binomial(n-1, k-1).