A249580 - cp's OEIS frontend

A249580 List of quadruples (r,s,t,u): the matrix M = [[4,12,9][2,5,3][1,2,1]] is raised to successive negative powers, then (r,s,t,u) are the square roots of M[1,3], M[1,1], M[3,3], M[3,1] respectively.

n	a(n)
1	3
2	-1
3	-2
4	1
5	-9
6	4
7	7
8	-3
9	30
10	-13
11	-23
12	10
13	-99
14	43
15	76
16	-33
17	327
18	-142
19	-251
20	109
21	-1080
22	469
23	829
24	-360
25	3567
26	-1549
27	-2738
28	1189
29	-11781
30	5116
31	9043
32	-3927
33	38910
34	-16897
35	-29867
36	12970
37	-128511
38	55807
39	98644
40	-42837

[3, -1, -2, 1, -9, 4, 7, -3, 30, -13, -23, 10, -99, 43, 76, -33, 327, -142, -251, 109, -1080, 469, 829, -360, 3567, -1549, -2738, 1189, -11781, 5116, 9043, -3927, 38910, -16897, -29867, 12970, -128511, 55807, 98644, -42837]

cp's OEIS Frontend

A249580 List of quadruples (r,s,t,u): the matrix M = [[4,12,9][2,5,3][1,2,1]] is raised to successive negative powers, then (r,s,t,u) are the square roots of M[1,3], M[1,1], M[3,3], M[3,1] respectively.

Table of values

List of values