Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,2,1,4 for x=0,1,2,3,4.
A196481
Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,2,1,4 for x=0,1,2,3,4.
Terms
- a(0) =5a(1) =36a(2) =147a(3) =826a(4) =4344a(5) =23930a(6) =131650a(7) =705342a(8) =3801448a(9) =20598890a(10) =111440744a(11) =603129471a(12) =3265314697a(13) =17669434957a(14) =95611160941a(15) =517439229137
External references
- oeis: A196481