Agreement numbers: number of n X 2 arrays of the count of horizontal and vertical neighbors equal to the corresponding element in a random 0..3 n X 2 array.
A220783
Agreement numbers: number of n X 2 arrays of the count of horizontal and vertical neighbors equal to the corresponding element in a random 0..3 n X 2 array.
Terms
- a(0) =2a(1) =11a(2) =66a(3) =388a(4) =2292a(5) =13524a(6) =79820a(7) =471076a(8) =2780204a(9) =16408196a(10) =96837900a(11) =571517860a(12) =3372983916a(13) =19906675140a(14) =117485207756a(15) =693374153956
External references
- oeis: A220783