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

A250279

Number of length 4+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) =16a(1) =79a(2) =240a(3) =581a(4) =1132a(5) =1991a(6) =3156a(7) =4841a(8) =7024a(9) =9807a(10) =13180a(11) =17561a(12) =22788a(13) =28943a(14) =36012a(15) =44421a(16) =53964a(17) =65179a(18) =77596a(19) =91809a(20) =107508a(21) =124907a(22) =143800a(23) =165353a(24) =188792a(25) =214495a(26) =242152a(27) =272493a(28) =305164a(29) =341051

External references