Number of nX5 0..1 arrays with every element unequal to 0, 1, 2 or 5 king-move adjacent elements, with upper left element zero.
A303958
Number of nX5 0..1 arrays with every element unequal to 0, 1, 2 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =16a(1) =22a(2) =49a(3) =159a(4) =480a(5) =1431a(6) =4137a(7) =12066a(8) =35589a(9) =104863a(10) =307928a(11) =904119a(12) =2658091a(13) =7815860a(14) =22972429a(15) =67514241a(16) =198445406a(17) =583320819a(18) =1714573733a(19) =5039601468a(20) =14812938483a(21) =43540143623a(22) =127978525886a(23) =376168992379
External references
- oeis: A303958