Array read by antidiagonals: T(m,n) is the number of mutual-visibility sets in the grid graph P_m X P_n.
A392417
Array read by antidiagonals: T(m,n) is the number of mutual-visibility sets in the grid graph P_m X P_n.
Terms
- a(0) =2a(1) =4a(2) =4a(3) =7a(4) =15a(5) =7a(6) =11a(7) =41a(8) =41a(9) =11a(10) =16a(11) =94a(12) =190a(13) =94a(14) =16a(15) =22a(16) =190a(17) =678a(18) =678a(19) =190a(20) =22a(21) =29a(22) =349a(23) =2006a(24) =3771a(25) =2006a(26) =349a(27) =29a(28) =37a(29) =595
External references
- oeis: A392417