Unmatched value maps: number of n X 3 binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..2 n X 3 array.
A218997
Unmatched value maps: number of n X 3 binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..2 n X 3 array.
Terms
- a(0) =4a(1) =46a(2) =328a(3) =2374a(4) =17776a(5) =131548a(6) =973492a(7) =7213582a(8) =53429692a(9) =395740366a(10) =2931304708a(11) =21712231084a(12) =160822807612
External references
- oeis: A218997