A113278 - cp's OEIS frontend

A113278 Triangle T, read by rows, such that the matrix square, T^2, forms a simple 2-diagonal triangle where [T^2](n,n) = 1 and [T^2](n+1,n) = 2*(n+1) for n>=0.

n	a(n)
0	1
1	1
2	1
3	-1
4	2
5	1
6	3
7	-3
8	3
9	1
10	-15
11	12
12	-6
13	4
14	1
15	105
16	-75
17	30
18	-10
19	5
20	1
21	-945
22	630
23	-225
24	60
25	-15
26	6
27	1
28	10395
29	-6615
30	2205
31	-525
32	105
33	-21
34	7
35	1
36	-135135
37	83160
38	-26460
39	5880
40	-1050
41	168
42	-28
43	8
44	1
45	2027025
46	-1216215
47	374220
48	-79380
49	13230
50	-1890
51	252
52	-36
53	9
54	1

[1, 1, 1, -1, 2, 1, 3, -3, 3, 1, -15, 12, -6, 4, 1, 105, -75, 30, -10, 5, 1, -945, 630, -225, 60, -15, 6, 1, 10395, -6615, 2205, -525, 105, -21, 7, 1, -135135, 83160, -26460, 5880, -1050, 168, -28, 8, 1, 2027025, -1216215, 374220, -79380, 13230, -1890, 252, -36, 9, 1]

cp's OEIS Frontend

A113278 Triangle T, read by rows, such that the matrix square, T^2, forms a simple 2-diagonal triangle where [T^2](n,n) = 1 and [T^2](n+1,n) = 2*(n+1) for n>=0.

Table of values

List of values