A124575 - cp's OEIS frontend

A124575 Triangle read by rows: row n is the first row of the matrix M[n]^(n-1), where M[n] is the n X n tridiagonal matrix with main diagonal (2,4,4,...) and super- and subdiagonals (1,1,1,...).

n	a(n)
0	1
1	2
2	1
3	5
4	6
5	1
6	16
7	30
8	10
9	1
10	62
11	146
12	71
13	14
14	1
15	270
16	717
17	444
18	128
19	18
20	1
21	1257
22	3582
23	2621
24	974
25	201
26	22
27	1
28	6096
29	18206
30	15040
31	6718
32	1800
33	290
34	26
35	1
36	30398
37	93960
38	85084
39	43712
40	14208
41	2986
42	395
43	30
44	1
45	154756
46	491322
47	478008
48	274140
49	103530

[1, 2, 1, 5, 6, 1, 16, 30, 10, 1, 62, 146, 71, 14, 1, 270, 717, 444, 128, 18, 1, 1257, 3582, 2621, 974, 201, 22, 1, 6096, 18206, 15040, 6718, 1800, 290, 26, 1, 30398, 93960, 85084, 43712, 14208, 2986, 395, 30, 1, 154756, 491322, 478008, 274140, 103530]

cp's OEIS Frontend

A124575 Triangle read by rows: row n is the first row of the matrix M[n]^(n-1), where M[n] is the n X n tridiagonal matrix with main diagonal (2,4,4,...) and super- and subdiagonals (1,1,1,...).

Table of values

List of values