Number of second differences of arrays of length n+2 of numbers in 0..6.

A228216

Number of second differences of arrays of length n+2 of numbers in 0..6.

Terms

    a(0) =25a(1) =385a(2) =4651a(3) =47953a(4) =439927a(5) =3693505a(6) =29066311a(7) =219071473a(8) =1609259287a(9) =11658284065a(10) =83824687591a(11) =599858908753

External references