Number of nX5 0..1 arrays with every element equal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300377
Number of nX5 0..1 arrays with every element equal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =13a(2) =8a(3) =80a(4) =389a(5) =1351a(6) =6577a(7) =29663a(8) =128834a(9) =599170a(10) =2699986a(11) =12281509a(12) =55927064a(13) =254229616a(14) =1157066602a(15) =5264547159a(16) =23955687707a(17) =109010980492a(18) =496054309841
External references
- oeis: A300377