Array read by antidiagonals: T(m,n) is the number of m X n binary arrays with all 1's connected, a path of 1's from upper left corner to lower right corner, and no 1 having more than two 1's adjacent.
A391818
Array read by antidiagonals: T(m,n) is the number of m X n binary arrays with all 1's connected, a path of 1's from upper left corner to lower right corner, and no 1 having more than two 1's adjacent.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =5a(8) =5a(9) =1a(10) =1a(11) =8a(12) =17a(13) =8a(14) =1a(15) =1a(16) =13a(17) =39a(18) =39a(19) =13a(20) =1a(21) =1a(22) =20a(23) =83a(24) =132a(25) =83a(26) =20a(27) =1a(28) =1a(29) =32
External references
- oeis: A391818