Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 2 X n array.
A218065
Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 2 X n array.
Terms
- a(0) =4a(1) =6a(2) =18a(3) =42a(4) =108a(5) =268a(6) =676a(7) =1694a(8) =4258a(9) =10690a(10) =26852a(11) =67436a(12) =169372a(13) =425382a(14) =1068370a(15) =2683258a(16) =6739132a(17) =16925644a(18) =42509556a(19) =106764750a(20) =268144706a(21) =673458066a(22) =1691421684a(23) =4248085292a(24) =10669266476a(25) =26796365718a(26) =67300335730a(27) =169027965834
External references
- oeis: A218065