

A252923


Number of n X n nonnegative integer arrays with upper left 0 and lower right n+n6 and value increasing by 0 or 1 with every step right or down.


2



0, 0, 1, 615, 84910, 8241540, 759337545, 73117894428, 7578889491370, 848729993032718, 102072779621746876, 13069744040275286234, 1766655687081261435255, 250232365919081938956865, 36910187948533534644694094
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