A368493 - cp's OEIS frontend

A368493 T(n,m) is the number of m-dimensional isotropic subspaces of a 2n-dimensional symplectic space over Z/2, n >= 0 and 0 <= m <= n.

n	a(n)
0	1
1	1
2	3
3	1
4	15
5	15
6	1
7	63
8	315
9	135
10	1
11	255
12	5355
13	11475
14	2295
15	1
16	1023
17	86955
18	782595
19	782595
20	75735
21	1
22	4095
23	1396395
24	50868675
25	213648435
26	103378275
27	4922775
28	1
29	16383
30	22362795
31	3268162755
32	55558766835
33	112909751955
34	26883274275
35	635037975

[1, 1, 3, 1, 15, 15, 1, 63, 315, 135, 1, 255, 5355, 11475, 2295, 1, 1023, 86955, 782595, 782595, 75735, 1, 4095, 1396395, 50868675, 213648435, 103378275, 4922775, 1, 16383, 22362795, 3268162755, 55558766835, 112909751955, 26883274275, 635037975]

cp's OEIS Frontend

A368493 T(n,m) is the number of m-dimensional isotropic subspaces of a 2n-dimensional symplectic space over Z/2, n >= 0 and 0 <= m <= n.

Table of values

List of values