T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
A304676
T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =7a(8) =7a(9) =1a(10) =1a(11) =13a(12) =13a(13) =13a(14) =1a(15) =1a(16) =26a(17) =23a(18) =23a(19) =26a(20) =1a(21) =1a(22) =49a(23) =45a(24) =56a(25) =45a(26) =49a(27) =1a(28) =1a(29) =99
External references
- oeis: A304676