T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,3,0,1,2 for x=0,1,2,3,4.
A198013
T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,3,0,1,2 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =7a(5) =2a(6) =3a(7) =12a(8) =12a(9) =3a(10) =5a(11) =31a(12) =51a(13) =31a(14) =5a(15) =8a(16) =79a(17) =182a(18) =182a(19) =79a(20) =8a(21) =13a(22) =186a(23) =753a(24) =1165a(25) =753a(26) =186a(27) =13a(28) =21a(29) =465
External references
- oeis: A198013