Number of -n..n arrays x(0..5) of 6 elements with zero sum and no two neighbors summing to zero.

A199835

Number of -n..n arrays x(0..5) of 6 elements with zero sum and no two neighbors summing to zero.

Terms

    a(0) =10a(1) =426a(2) =3556a(3) =15708a(4) =49302a(5) =124982a(6) =273728a(7) =538968a(8) =978690a(9) =1667554a(10) =2699004a(11) =4187380a(12) =6270030a(13) =9109422a(14) =12895256a(15) =17846576a(16) =24213882a(17) =32281242a(18) =42368404a(19) =54832908a(20) =70072198a(21) =88525734a(22) =110677104a(23) =137056136a(24) =168241010a(25) =204860370

External references