T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 nXk array.
A220794
T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 nXk array.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =6a(5) =1a(6) =4a(7) =19a(8) =23a(9) =1a(10) =7a(11) =76a(12) =142a(13) =94a(14) =1a(15) =12a(16) =267a(17) =1753a(18) =1224a(19) =380a(20) =1a(21) =21a(22) =1074a(23) =15486a(24) =32507a(25) =9500a(26) =1494a(27) =1a(28) =37a(29) =4069
External references
- oeis: A220794