Number of nX4 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique.
A265969
Number of nX4 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique.
Terms
- a(0) =340a(1) =7656a(2) =23920a(3) =74248a(4) =230784a(5) =721864a(6) =2263704a(7) =7152956a(8) =22522200a(9) =71566116a(10) =226074624a(11) =720236752a(12) =2280992736a(13) =7276115664a(14) =23077516368a(15) =73669330232a(16) =233938714232a(17) =747052012824
External references
- oeis: A265969