A364228 - cp's OEIS frontend

A364228 Triangle read by rows: T(n, k) is the number of n X n Hermitian Toeplitz matrices of rank k using all the integers 1, 2, ..., n and with all off-diagonal elements purely imaginary.

n	a(n)
1	1
2	0
3	2
4	0
5	1
6	5
7	0
8	0
9	0
10	24
11	0
12	0
13	0
14	0
15	120
16	0
17	0
18	0
19	0
20	1
21	719
22	0
23	0
24	0
25	0
26	0
27	0
28	5040
29	0
30	0
31	0
32	0
33	0
34	2
35	1
36	40317
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	6
45	362874
46	0
47	0
48	0
49	0
50	0
51	0
52	1
53	0
54	1
55	3628798

[1, 0, 2, 0, 1, 5, 0, 0, 0, 24, 0, 0, 0, 0, 120, 0, 0, 0, 0, 1, 719, 0, 0, 0, 0, 0, 0, 5040, 0, 0, 0, 0, 0, 2, 1, 40317, 0, 0, 0, 0, 0, 0, 0, 6, 362874, 0, 0, 0, 0, 0, 0, 1, 0, 1, 3628798]

cp's OEIS Frontend

A364228 Triangle read by rows: T(n, k) is the number of n X n Hermitian Toeplitz matrices of rank k using all the integers 1, 2, ..., n and with all off-diagonal elements purely imaginary.

Table of values

List of values