T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300612
T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =2a(7) =10a(8) =10a(9) =2a(10) =3a(11) =30a(12) =53a(13) =30a(14) =3a(15) =5a(16) =96a(17) =277a(18) =277a(19) =96a(20) =5a(21) =8a(22) =307a(23) =1432a(24) =2347a(25) =1432a(26) =307a(27) =8a(28) =13a(29) =981
External references
- oeis: A300612