A189765 - cp's OEIS frontend

A189765 Triangle in which row n has the n(n+1)/2 elements of the lower triangular part of the inverse of the n-th order Hilbert matrix.

n	a(n)
1	1
2	4
3	-6
4	12
5	9
6	-36
7	192
8	30
9	-180
10	180
11	16
12	-120
13	1200
14	240
15	-2700
16	6480
17	-140
18	1680
19	-4200
20	2800
21	25
22	-300
23	4800
24	1050
25	-18900
26	79380
27	-1400
28	26880
29	-117600
30	179200
31	630
32	-12600
33	56700
34	-88200
35	44100
36	36
37	-630
38	14700
39	3360
40	-88200
41	564480
42	-7560
43	211680

[1, 4, -6, 12, 9, -36, 192, 30, -180, 180, 16, -120, 1200, 240, -2700, 6480, -140, 1680, -4200, 2800, 25, -300, 4800, 1050, -18900, 79380, -1400, 26880, -117600, 179200, 630, -12600, 56700, -88200, 44100, 36, -630, 14700, 3360, -88200, 564480, -7560, 211680]

cp's OEIS Frontend

A189765 Triangle in which row n has the n(n+1)/2 elements of the lower triangular part of the inverse of the n-th order Hilbert matrix.

Table of values

List of values