Number of n X 3 binary arrays with some element plus some horizontally or vertically adjacent neighbor totalling two no more than once.
A268745
Number of n X 3 binary arrays with some element plus some horizontally or vertically adjacent neighbor totalling two no more than once.
Terms
- a(0) =7a(1) =32a(2) =143a(3) =623a(4) =2615a(5) =10830a(6) =44067a(7) =177429a(8) =707163a(9) =2796840a(10) =10986379a(11) =42911627a(12) =166777091a(13) =645395334a(14) =2488065863a(15) =9559464281a(16) =36618142447a(17) =139888931680a(18) =533099140807
External references
- oeis: A268745