Number of size n nonnegative integer arrays with new values introduced in increasing order from 0, and no 4 consecutive elements totalling n or more.

A193059

Number of size n nonnegative integer arrays with new values introduced in increasing order from 0, and no 4 consecutive elements totalling n or more.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =11a(4) =30a(5) =103a(6) =423a(7) =1898a(8) =9186a(9) =48459a(10) =277813a(11) =1682335a(12) =10842496a(13) =73622545a(14) =532098309a(15) =4013332419a(16) =31553670222a(17) =258169433450

External references