Number of nX7 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique.
A265972
Number of nX7 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique.
Terms
- a(0) =17012a(1) =953072a(2) =1282192a(3) =2263704a(4) =5120120a(5) =13435392a(6) =34825856a(7) =92019824a(8) =231761056a(9) =593080872a(10) =1481688160a(11) =3832636952a(12) =9840184608a(13) =25358167888a(14) =64217497384a(15) =165719314208a(16) =425547780616
External references
- oeis: A265972