A122073 - cp's OEIS frontend

A122073 Triangular array from Steinbach matrices plus their squares as characteristic polynomials: M[i,j]=A[i,j]+A[i,j]^2: A[i,j]^2=Min[i,j]; CharacteristicPolynomial[M[i,j]];.

n	a(n)
1	1
2	2
3	-1
4	0
5	-4
6	1
7	2
8	-9
9	8
10	-1
11	-2
12	-3
13	19
14	-12
15	1
16	-4
17	-6
18	47
19	-55
20	18
21	-1
22	2
23	15
24	0
25	-88
26	93
27	-24
28	1
29	2
30	23
31	-7
32	-190
33	324
34	-182
35	32
36	-1
37	0
38	-12
39	-63
40	62
41	332
42	-554
43	274
44	-40
45	1
46	2
47	-9
48	-108
49	133
50	678
51	-1642
52	1346
53	-450
54	50
55	-1
56	-2
57	-11
58	55
59	276
60	-463
61	-1129
62	2832
63	-2128
64	630
65	-60
66	1
67	-4
68	-30
69	71
70	543
71	-1044
72	-2204
73	7761

[1, 2, -1, 0, -4, 1, 2, -9, 8, -1, -2, -3, 19, -12, 1, -4, -6, 47, -55, 18, -1, 2, 15, 0, -88, 93, -24, 1, 2, 23, -7, -190, 324, -182, 32, -1, 0, -12, -63, 62, 332, -554, 274, -40, 1, 2, -9, -108, 133, 678, -1642, 1346, -450, 50, -1, -2, -11, 55, 276, -463, -1129, 2832, -2128, 630, -60, 1, -4, -30, 71, 543, -1044, -2204, 7761]

cp's OEIS Frontend

A122073 Triangular array from Steinbach matrices plus their squares as characteristic polynomials: M[i,j]=A[i,j]+A[i,j]^2: A[i,j]^2=Min[i,j]; CharacteristicPolynomial[M[i,j]];.

Table of values

List of values