Number of nX4 binary arrays with no element equal to the mod 3 sum of its king-move neighbors.
A183377
Number of nX4 binary arrays with no element equal to the mod 3 sum of its king-move neighbors.
Terms
- a(0) =3a(1) =20a(2) =68a(3) =225a(4) =627a(5) =2152a(6) =7036a(7) =22392a(8) =74381a(9) =241819a(10) =793240a(11) =2604908a(12) =8530131a(13) =28013101a(14) =91893580a(15) =301557767a(16) =989945590a(17) =3248890744a(18) =10664829792a(19) =35007809686a(20) =114914687393a(21) =377229380984
External references
- oeis: A183377