

A281949


Number of nX2 0..1 arrays with no element unequal to more than four of its kingmove neighbors and with new values introduced in order 0 sequentially upwards.


8



2, 8, 30, 112, 420, 1576, 5912, 22176, 83184, 312032, 1170464, 4390528, 16469312, 61778048, 231735680, 869263872, 3260696320, 12231200256, 45880463872, 172102240256, 645572834304, 2421608712192, 9083698141184, 34073866477568
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