Number of n X n 0..1 arrays with every element unequal to 0, 1 or 5 king-move adjacent elements, with upper left element zero.
A303713
Number of n X n 0..1 arrays with every element unequal to 0, 1 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =17a(4) =81a(5) =343a(6) =1592a(7) =7551a(8) =34546a(9) =158402a(10) =734321a(11) =3389249a(12) =15610239a(13) =72045856a(14) =332515175a(15) =1533661362a(16) =7075164898a(17) =32644176977a(18) =150600651761a(19) =694773927239
External references
- oeis: A303713