Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3, 7 or 8 king-move adjacent elements, with upper left element zero.
A316514
Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =49a(2) =75a(3) =204a(4) =619a(5) =1710a(6) =4894a(7) =14053a(8) =40063a(9) =114638a(10) =327924a(11) =937707a(12) =2681815a(13) =7670058a(14) =21936014a(15) =62736041a(16) =179423533a(17) =513145422a(18) =1467578778a(19) =4197229249a(20) =12003940959a(21) =34330885028a(22) =98185232056a(23) =280806616573a(24) =803097918855
External references
- oeis: A316514