Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302803
Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =29a(2) =169a(3) =1010a(4) =6084a(5) =36456a(6) =218640a(7) =1312416a(8) =7873344a(9) =47237760a(10) =283440384a(11) =1700614656a(12) =10203632640a(13) =61222127616a(14) =367332102144
External references
- oeis: A302803