11030649

Appears in sequences

• Number of n X n symmetric binary arrays with rows, considered as graycode numbers, in nondecreasing order.at n=7A162056
• Number of n X n symmetric binary arrays with rows, considered as graycode numbers, in nondecreasing order, and no more than 8 ones in any row or column.at n=7A162063
• Number of n X n symmetric binary arrays with rows, considered as graycode numbers, in nondecreasing order, and no more than 9 ones in any row or column.at n=7A162064