Number of length n+1 0..2*2 arrays with the sum of the absolute values of adjacent differences equal to n*2.

A249976

Number of length n+1 0..2*2 arrays with the sum of the absolute values of adjacent differences equal to n*2.

Terms

    a(0) =6a(1) =24a(2) =88a(3) =384a(4) =1606a(5) =7138a(6) =31380a(7) =141272a(8) =635686a(9) =2890884a(10) =13175784a(11) =60384934a(12) =277442652a(13) =1279055676a(14) =5909701748a(15) =27368939688a(16) =126981852654a(17) =590182327132

External references