A082963 - cp's OEIS frontend

A082963 Number of n X n 0-1 matrices with half 1's and half 0's (rounded up/down if odd).

n	a(n)
0	1
1	1
2	2
3	23
4	1674
5	652048
6	1134460910
7	7900674292378
8	229078019084673798
9	26549036304190836144544
10	12611418068196090318131968752
11	23955745839516317585042064530077352
12	185026624806098273753009169783707528668060

[1, 1, 2, 23, 1674, 652048, 1134460910, 7900674292378, 229078019084673798, 26549036304190836144544, 12611418068196090318131968752, 23955745839516317585042064530077352, 185026624806098273753009169783707528668060]

cp's OEIS Frontend

A082963 Number of n X n 0-1 matrices with half 1's and half 0's (rounded up/down if odd).

Table of values

List of values