Unchanging value maps: number of 2 X n binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 2 X n array.
A219422
Unchanging value maps: number of 2 X n binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 2 X n array.
Terms
- a(0) =1a(1) =7a(2) =20a(3) =57a(4) =160a(5) =454a(6) =1292a(7) =3676a(8) =10452a(9) =29724a(10) =84548a(11) =240480a(12) =683968a(13) =1945348a(14) =5533040a(15) =15737260a(16) =44760324a(17) =127308564a(18) =362094824a(19) =1029880752a(20) =2929216636a(21) =8331363064a(22) =23696305892a(23) =67397723860a(24) =191694568548a(25) =545223274608
External references
- oeis: A219422