Number of length n+1 0..4 arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.
A250642
Number of length n+1 0..4 arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =1a(1) =65a(2) =89a(3) =1293a(4) =4853a(5) =34441a(6) =163043a(7) =915663a(8) =4537317a(9) =23671551a(10) =118358549a(11) =601565301a(12) =3011330309a(13) =15155615651a(14) =75845220727a(15) =380253505733
External references
- oeis: A250642