Number of 0..6 arrays x(0..n+1) of n+2 elements with zero (n-1)th differences.

A200270

Number of 0..6 arrays x(0..n+1) of n+2 elements with zero (n-1)th differences.

Terms

    a(0) =1a(1) =7a(2) =13a(3) =25a(4) =37a(5) =53a(6) =53a(7) =83a(8) =119a(9) =261a(10) =477a(11) =955a(12) =615a(13) =1617a(14) =937a(15) =2447a(16) =5409a(17) =13829a(18) =9379a(19) =17547

External references