T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011.
A260284
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011.
Terms
- a(0) =34a(1) =46a(2) =46a(3) =99a(4) =85a(5) =99a(6) =202a(7) =230a(8) =230a(9) =202a(10) =366a(11) =525a(12) =747a(13) =525a(14) =366a(15) =714a(16) =1150a(17) =2027a(18) =2027a(19) =1150a(20) =714a(21) =1428a(22) =2726a(23) =5420a(24) =6044a(25) =5420a(26) =2726a(27) =1428a(28) =2750a(29) =6351
External references
- oeis: A260284