Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

A305363

Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =2a(1) =45a(2) =107a(3) =398a(4) =1532a(5) =5465a(6) =21691a(7) =82625a(8) =320130a(9) =1249914a(10) =4849312a(11) =18947687a(12) =73917602a(13) =288506284a(14) =1127216287a(15) =4401832436a(16) =17197042074a(17) =67184504771a(18) =262468813621

External references