640652
domain: N
Appears in sequences
- Number of (n+1)X(n+1) 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero.at n=2A205227
- Number of (n+1) X 4 0..2 arrays with rows and columns of permanents of all 2 X 2 subblocks lexicographically nondecreasing, and all 2 X 2 permanents nonzero.at n=2A205230
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero.at n=12A205235