A348622 - cp's OEIS frontend

A348622 Triangular array read by rows: T(n,k) is the number of periodic n X n matrices over GF(2) having rank k, n>=0, 0<=k<=n.

n	a(n)
0	1
1	1
2	1
3	1
4	6
5	6
6	1
7	28
8	168
9	168
10	1
11	120
12	3360
13	20160
14	20160
15	1
16	496
17	59520
18	1666560
19	9999360
20	9999360
21	1
22	2016
23	999936
24	119992320
25	3359784960
26	20158709760
27	20158709760
28	1
29	8128
30	16386048
31	8127479808
32	975297576960
33	27308332154880
34	163849992929280
35	163849992929280

[1, 1, 1, 1, 6, 6, 1, 28, 168, 168, 1, 120, 3360, 20160, 20160, 1, 496, 59520, 1666560, 9999360, 9999360, 1, 2016, 999936, 119992320, 3359784960, 20158709760, 20158709760, 1, 8128, 16386048, 8127479808, 975297576960, 27308332154880, 163849992929280, 163849992929280]

cp's OEIS Frontend

A348622 Triangular array read by rows: T(n,k) is the number of periodic n X n matrices over GF(2) having rank k, n>=0, 0<=k<=n.

Table of values

List of values