Number of n X 4 0..1 arrays with every element unequal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
A304152
Number of n X 4 0..1 arrays with every element unequal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =18a(2) =42a(3) =346a(4) =1767a(5) =10182a(6) =60352a(7) =350540a(8) =2034140a(9) =11908298a(10) =69366367a(11) =404422900a(12) =2359475306a(13) =13758737304a(14) =80237613315a(15) =467966274418
External references
- oeis: A304152