Half the number of 0..7 arrays of length n+2 with second differences nonzero.

A212781

Half the number of 0..7 arrays of length n+2 with second differences nonzero.

Terms

    a(0) =240a(1) =1803a(2) =13544a(3) =101743a(4) =764297a(5) =5741427a(6) =43129809a(7) =323992699a(8) =2433844978a(9) =18283132290a(10) =137343556947

External references