Number of nX4 0..1 arrays with each 1 adjacent to 0, 2 or 3 king-move neighboring 1s.

A296670

Number of nX4 0..1 arrays with each 1 adjacent to 0, 2 or 3 king-move neighboring 1s.

Terms

    a(0) =8a(1) =68a(2) =334a(3) =2295a(4) =16541a(5) =110036a(6) =775010a(7) =5466936a(8) =38297415a(9) =270189305a(10) =1906127172a(11) =13440526836a(12) =94852930442a(13) =669387929531

External references