A336614 - cp's OEIS frontend

A336614 Number of n X n (0,1)-matrices A over the reals such that A^2 is the transpose of A.

n	a(n)
0	1
1	2
2	4
3	10
4	32
5	112
6	424
7	1808
8	8320
9	40384
10	210944
11	1170688
12	6783616
13	41411840
14	265451008
15	1765520128
16	12227526656
17	88163295232
18	656548065280
19	5054719287296
20	40261285543936
21	330010835894272
22	2783003772452864
23	24166721466204160
24	215318925894909952
25	1966855934183800832

[1, 2, 4, 10, 32, 112, 424, 1808, 8320, 40384, 210944, 1170688, 6783616, 41411840, 265451008, 1765520128, 12227526656, 88163295232, 656548065280, 5054719287296, 40261285543936, 330010835894272, 2783003772452864, 24166721466204160, 215318925894909952, 1966855934183800832]

cp's OEIS Frontend

A336614 Number of n X n (0,1)-matrices A over the reals such that A^2 is the transpose of A.

Table of values

List of values