A223256 - cp's OEIS frontend

A223256 Triangle read by rows: T(0,0)=1; for n>=1 T(n,k) is the numerator of the coefficient of x^k in the characteristic polynomial of the matrix realizing the transformation to Jacobi coordinates for a system of n particles on a line.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	11
8	11
9	1
10	1
11	25
12	61
13	25
14	1
15	1
16	137
17	379
18	379
19	137
20	1
21	1
22	49
23	667
24	3023
25	667
26	49
27	1
28	1
29	363
30	529
31	8731
32	8731
33	529
34	363
35	1
36	1
37	761
38	46847
39	62023
40	270961
41	62023
42	46847
43	761
44	1
45	1
46	7129
47	51011
48	9161
49	28525
50	28525
51	9161
52	51011
53	7129
54	1

[1, 1, 1, 1, 3, 1, 1, 11, 11, 1, 1, 25, 61, 25, 1, 1, 137, 379, 379, 137, 1, 1, 49, 667, 3023, 667, 49, 1, 1, 363, 529, 8731, 8731, 529, 363, 1, 1, 761, 46847, 62023, 270961, 62023, 46847, 761, 1, 1, 7129, 51011, 9161, 28525, 28525, 9161, 51011, 7129, 1]

cp's OEIS Frontend

A223256 Triangle read by rows: T(0,0)=1; for n>=1 T(n,k) is the numerator of the coefficient of x^k in the characteristic polynomial of the matrix realizing the transformation to Jacobi coordinates for a system of n particles on a line.

Table of values

List of values