A098539 - cp's OEIS frontend

A098539 Lower triangular matrix T, read by rows, that shifts left one column under the matrix square of T, with T(n,0)=T(n,1) for n>0 and T(n,n)=1 for n>=0.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	1
6	6
7	6
8	4
9	1
10	26
11	26
12	20
13	8
14	1
15	166
16	166
17	140
18	72
19	16
20	1
21	1626
22	1626
23	1460
24	888
25	272
26	32
27	1
28	25510
29	25510
30	23884
31	16392
32	6256
33	1056
34	64
35	1
36	664666
37	664666
38	639156
39	479736
40	215696
41	46816
42	4160
43	128
44	1
45	29559718
46	29559718
47	28895052

[1, 1, 1, 2, 2, 1, 6, 6, 4, 1, 26, 26, 20, 8, 1, 166, 166, 140, 72, 16, 1, 1626, 1626, 1460, 888, 272, 32, 1, 25510, 25510, 23884, 16392, 6256, 1056, 64, 1, 664666, 664666, 639156, 479736, 215696, 46816, 4160, 128, 1, 29559718, 29559718, 28895052]

cp's OEIS Frontend

A098539 Lower triangular matrix T, read by rows, that shifts left one column under the matrix square of T, with T(n,0)=T(n,1) for n>0 and T(n,n)=1 for n>=0.

Table of values

List of values