255266

Appears in sequences

• Weight enumerator of [ 42,21,10 ] XQR code.at n=10A030646
• Weight distribution of [41,21,9] binary quadratic-residue (or QR) code.at n=20A146075
• Weight distribution of [41,21,9] binary quadratic-residue (or QR) code.at n=21A146075
• Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having nonzero determinant, with rows and columns of the latter in lexicographically nondecreasing order.at n=24A227554