Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
A316613
Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =13a(1) =105a(2) =126a(3) =454a(4) =1749a(5) =5464a(6) =17224a(7) =58861a(8) =190509a(9) =613009a(10) =2033562a(11) =6661058a(12) =21647463a(13) =71089634a(14) =233091249a(15) =761023933a(16) =2492107497a(17) =8165184140a(18) =26706741560a(19) =87408400302a(20) =286222682245a(21) =936714517961
External references
- oeis: A316613