A104040 - cp's OEIS frontend

A104040 Triangular matrix T, read by rows, such that row n equals the absolute values of column (n+1) in the matrix inverse T^-1 (with extrapolated zeros): T(n,k) = -Sum_{j=1..[n+1/2]} (-1)^jT(n-j+1,n-2j+1)*T(n-j,k) with T(n,n)=1 (n>=0) and T(n,n-1)=n (n>=1).

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	1
6	4
7	4
8	3
9	1
10	8
11	8
12	8
13	4
14	1
15	16
16	16
17	20
18	12
19	5
20	1
21	32
22	32
23	48
24	32
25	18
26	6
27	1
28	64
29	64
30	112
31	80
32	56
33	24
34	7
35	1
36	128
37	128
38	256
39	192
40	160
41	80
42	32
43	8
44	1
45	256
46	256
47	576
48	448
49	432
50	240
51	120
52	40
53	9
54	1
55	512
56	512
57	1280
58	1024
59	1120
60	672
61	400
62	160
63	50
64	10
65	1
66	1024
67	1024
68	2816

[1, 1, 1, 2, 2, 1, 4, 4, 3, 1, 8, 8, 8, 4, 1, 16, 16, 20, 12, 5, 1, 32, 32, 48, 32, 18, 6, 1, 64, 64, 112, 80, 56, 24, 7, 1, 128, 128, 256, 192, 160, 80, 32, 8, 1, 256, 256, 576, 448, 432, 240, 120, 40, 9, 1, 512, 512, 1280, 1024, 1120, 672, 400, 160, 50, 10, 1, 1024, 1024, 2816]

cp's OEIS Frontend

A104040 Triangular matrix T, read by rows, such that row n equals the absolute values of column (n+1) in the matrix inverse T^-1 (with extrapolated zeros): T(n,k) = -Sum_{j=1..[n+1/2]} (-1)^jT(n-j+1,n-2j+1)*T(n-j,k) with T(n,n)=1 (n>=0) and T(n,n-1)=n (n>=1).

Table of values

List of values

cp's OEIS Frontend

A104040 Triangular matrix T, read by rows, such that row n equals the absolute values of column (n+1) in the matrix inverse T^-1 (with extrapolated zeros): T(n,k) = -Sum_{j=1..[n+1/2]} (-1)^j*T(n-j+1,n-2*j+1)*T(n-j,k) with T(n,n)=1 (n>=0) and T(n,n-1)=n (n>=1).

Table of values

List of values

A104040 Triangular matrix T, read by rows, such that row n equals the absolute values of column (n+1) in the matrix inverse T^-1 (with extrapolated zeros): T(n,k) = -Sum_{j=1..[n+1/2]} (-1)^jT(n-j+1,n-2j+1)*T(n-j,k) with T(n,n)=1 (n>=0) and T(n,n-1)=n (n>=1).