Number of nX6 nonnegative integer arrays with each row and column increasing from zero by 0, 1 or 2.
A202810
Number of nX6 nonnegative integer arrays with each row and column increasing from zero by 0, 1 or 2.
Terms
- a(0) =1a(1) =21a(2) =881a(3) =43483a(4) =1874539a(5) =60758779a(6) =1420586923a(7) =24496279000a(8) =324818660255
External references
- oeis: A202810