Number of nX6 0..1 arrays with every element unequal to 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A318212
Number of nX6 0..1 arrays with every element unequal to 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =46a(2) =125a(3) =698a(4) =4794a(5) =28010a(6) =155972a(7) =921216a(8) =5383356a(9) =31881211a(10) =187710862a(11) =1110567049a(12) =6553672181a(13) =38697180020a(14) =228631932558
External references
- oeis: A318212