A107667 - cp's OEIS frontend

A107667 Triangular matrix T, read by rows, that satisfies: T = D + SHIFT_LEFT(T^2) where SHIFT_LEFT shifts each row 1 place to the left and D is the diagonal matrix {1, 2, 3, ...}.

n	a(n)
0	1
1	4
2	2
3	45
4	9
5	3
6	816
7	112
8	16
9	4
10	20225
11	2200
12	225
13	25
14	5
15	632700
16	58176
17	4860
18	396
19	36
20	6
21	23836540
22	1920163
23	138817
24	9408
25	637
26	49
27	7
28	1048592640
29	75683648
30	4886464
31	290816
32	16576
33	960
34	64
35	8
36	52696514169
37	3460349970
38	203451912
39	10948203
40	553473

[1, 4, 2, 45, 9, 3, 816, 112, 16, 4, 20225, 2200, 225, 25, 5, 632700, 58176, 4860, 396, 36, 6, 23836540, 1920163, 138817, 9408, 637, 49, 7, 1048592640, 75683648, 4886464, 290816, 16576, 960, 64, 8, 52696514169, 3460349970, 203451912, 10948203, 553473]

cp's OEIS Frontend

A107667 Triangular matrix T, read by rows, that satisfies: T = D + SHIFT_LEFT(T^2) where SHIFT_LEFT shifts each row 1 place to the left and D is the diagonal matrix {1, 2, 3, ...}.

Table of values

List of values