T(n,k) = Number of n X k 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A326165
T(n,k) = Number of n X k 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =3a(4) =3a(5) =3a(6) =5a(7) =6a(8) =6a(9) =5a(10) =8a(11) =11a(12) =9a(13) =11a(14) =8a(15) =13a(16) =22a(17) =25a(18) =25a(19) =22a(20) =13a(21) =21a(22) =46a(23) =60a(24) =85a(25) =60a(26) =46a(27) =21a(28) =34a(29) =91
External references
- oeis: A326165