A379105 - cp's OEIS frontend

A379105 Triangular array read by rows. T(n,k) is the number of n X n matrices T over GF(2) such that there are exactly 2^k vectors v in GF(2)^n with Tv=v, n>=0, 0<=k<=n.

n	a(n)
0	1
1	1
2	1
3	6
4	9
5	1
6	168
7	294
8	49
9	1
10	20160
11	37800
12	7350
13	225
14	1
15	9999360
16	19373760
17	4036200
18	144150
19	961
20	1
21	20158709760
22	39687459840
23	8543828160
24	326932200
25	2542806
26	3969
27	1
28	163849992929280
29	325139829719040
30	71124337751040
31	2812314375360
32	23435953128
33	42677334
34	16129
35	1

[1, 1, 1, 6, 9, 1, 168, 294, 49, 1, 20160, 37800, 7350, 225, 1, 9999360, 19373760, 4036200, 144150, 961, 1, 20158709760, 39687459840, 8543828160, 326932200, 2542806, 3969, 1, 163849992929280, 325139829719040, 71124337751040, 2812314375360, 23435953128, 42677334, 16129, 1]

cp's OEIS Frontend

A379105 Triangular array read by rows. T(n,k) is the number of n X n matrices T over GF(2) such that there are exactly 2^k vectors v in GF(2)^n with Tv=v, n>=0, 0<=k<=n.

Table of values

List of values