Number of 2Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..2 2Xn array.

A217965

Number of 2Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..2 2Xn array.

Terms

    a(0) =9a(1) =17a(2) =91a(3) =321a(4) =1341a(5) =5269a(6) =21379a(7) =85633a(8) =344955a(9) =1386679a(10) =5579199a(11) =22440525a(12) =90271591a(13) =363117835a(14) =1460674773a(15) =5875648527a(16) =23635221447a(17) =95074256043a(18) =382442764281

External references