T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
A268774
T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =0a(1) =3a(2) =3a(3) =12a(4) =12a(5) =12a(6) =36a(7) =32a(8) =32a(9) =36a(10) =96a(11) =100a(12) =112a(13) =100a(14) =96a(15) =240a(16) =248a(17) =446a(18) =446a(19) =248a(20) =240a(21) =576a(22) =620a(23) =1524a(24) =2296a(25) =1524a(26) =620a(27) =576a(28) =1344a(29) =1456
External references
- oeis: A268774