Unmatched value maps: number of 2 X n binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 2 X n array.
A218843
Unmatched value maps: number of 2 X n binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 2 X n array.
Terms
- a(0) =1a(1) =7a(2) =20a(3) =57a(4) =156a(5) =438a(6) =1220a(7) =3398a(8) =9468a(9) =26380a(10) =73496a(11) =204780a(12) =570556a(13) =1589672a(14) =4429140a(15) =12340436a(16) =34382820a(17) =95797176a(18) =266909376a(19) =743660900a(20) =2071982512a(21) =5772942284a(22) =16084528900a(23) =44814595084a(24) =124862092120a(25) =347889834096
External references
- oeis: A218843