Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..1 n X 3 array.
A218079
Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..1 n X 3 array.
Terms
- a(0) =4a(1) =8a(2) =26a(3) =78a(4) =246a(5) =762a(6) =2370a(7) =7372a(8) =22916a(9) =71264a(10) =221580a(11) =688986a(12) =2142340a(13) =6661388a(14) =20712972a(15) =64404986a(16) =200261174a(17) =622693012a(18) =1936204472a(19) =6020443090a(20) =18719993212a(21) =58208032550a(22) =180992322576a(23) =562778355430
External references
- oeis: A218079