A123126 - cp's OEIS frontend

A123126 Absolute value of coefficient of X^2 in the characteristic polynomial of the n-th power of the matrix M = {{1,1,1,1,1}, {1,0,0,0,0}, {0,1,0,0,0}, {0,0,1,0,0}, {0,0,0,1,0}}.

n	a(n)
1	1
2	1
3	4
4	1
5	31
6	22
7	1
8	33
9	4
10	141
11	199
12	10
13	209
14	113
15	604
16	1473
17	375
18	1174
19	1521
20	2721
21	9580
22	5501
23	6671
24	14346
25	15681
26	57409
27	56596
28	44577
29	112463
30	119382
31	333313
32	480641
33	360628
34	800973
35	1007191
36	1988362
37	3628369
38	3160689
39	5525420
40	8309793

[1, 1, 4, 1, 31, 22, 1, 33, 4, 141, 199, 10, 209, 113, 604, 1473, 375, 1174, 1521, 2721, 9580, 5501, 6671, 14346, 15681, 57409, 56596, 44577, 112463, 119382, 333313, 480641, 360628, 800973, 1007191, 1988362, 3628369, 3160689, 5525420, 8309793]

cp's OEIS Frontend

A123126 Absolute value of coefficient of X^2 in the characteristic polynomial of the n-th power of the matrix M = {{1,1,1,1,1}, {1,0,0,0,0}, {0,1,0,0,0}, {0,0,1,0,0}, {0,0,0,1,0}}.

Table of values

List of values