Number of 3Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 3Xn array.
A218899
Number of 3Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 3Xn array.
Terms
- a(0) =8a(1) =16a(2) =72a(3) =212a(4) =786a(5) =2594a(6) =9110a(7) =31062a(8) =107510a(9) =369596a(10) =1274760a(11) =4390640a(12) =15132044a(13) =52139518a(14) =179669784a(15) =619118588a(16) =2133406676a(17) =7351495186a(18) =25332356634a(19) =87292564824a(20) =300799972600
External references
- oeis: A218899