T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
A296588
T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
Terms
- a(0) =2a(1) =3a(2) =3a(3) =5a(4) =9a(5) =5a(6) =8a(7) =22a(8) =22a(9) =8a(10) =13a(11) =62a(12) =83a(13) =62a(14) =13a(15) =21a(16) =172a(17) =346a(18) =346a(19) =172a(20) =21a(21) =34a(22) =480a(23) =1465a(24) =2458a(25) =1465a(26) =480a(27) =34a(28) =55a(29) =1358
External references
- oeis: A296588