Number of length 4+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.

A250323

Number of length 4+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.

Terms

    a(0) =24a(1) =161a(2) =652a(3) =1773a(4) =3916a(5) =7969a(6) =14452a(7) =24293a(8) =38720a(9) =59201a(10) =86768a(11) =123737a(12) =170864a(13) =231061a(14) =307156a(15) =400573a(16) =512768a(17) =650369a(18) =812560a(19) =1003945a(20) =1228880a(21) =1491229a(22) =1791156a(23) =2138429a(24) =2532856a(25) =2981513a(26) =3489820a(27) =4060069a(28) =4693008

External references