Equals two maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..2 n X 3 array.
A220932
Equals two maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..2 n X 3 array.
Terms
- a(0) =2a(1) =16a(2) =92a(3) =556a(4) =3332a(5) =19996a(6) =119972a(7) =719836a(8) =4319012a(9) =25914076a(10) =155484452a(11) =932906716a(12) =5597440292a(13) =33584641756a(14) =201507850532
External references
- oeis: A220932