Number of -n..n arrays x(0..5) of 6 elements with zeroth through 5th differences all nonzero.

A199947

Number of -n..n arrays x(0..5) of 6 elements with zeroth through 5th differences all nonzero.

Terms

    a(0) =2a(1) =868a(2) =13890a(3) =104268a(4) =464782a(5) =1577040a(6) =4310382a(7) =10274388a(8) =21921086a(9) =43069520a(10) =78878810a(11) =137045852a(12) =226914998a(13) =361712248a(14) =557412114a(15) =834701940a(16) =1217933582a(17) =1739046456a(18) =2432877362a(19) =3344664408a(20) =4524523614a(21) =6033558944a(22) =7938870746

External references