Number of length 3+1 0..n arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.

A250278

Number of length 3+1 0..n arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.

Terms

    a(0) =8a(1) =27a(2) =52a(3) =89a(4) =140a(5) =207a(6) =288a(7) =389a(8) =504a(9) =639a(10) =780a(11) =949a(12) =1132a(13) =1335a(14) =1552a(15) =1789a(16) =2048a(17) =2339a(18) =2636a(19) =2957a(20) =3292a(21) =3639a(22) =4000a(23) =4401a(24) =4840a(25) =5299a(26) =5772a(27) =6265a(28) =6772a(29) =7319

External references