T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000111.
A260070
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000111.
Terms
- a(0) =48a(1) =91a(2) =91a(3) =256a(4) =214a(5) =256a(6) =557a(7) =594a(8) =594a(9) =557a(10) =956a(11) =1214a(12) =1680a(13) =1214a(14) =956a(15) =2131a(16) =2367a(17) =3825a(18) =3825a(19) =2367a(20) =2131a(21) =5088a(22) =5776a(23) =6714a(24) =7725a(25) =6714a(26) =5776a(27) =5088a(28) =10235a(29) =13366
External references
- oeis: A260070