Number of different words that can be formed from an n X n grid of letters, reading horizontally, vertically or diagonally.

A034720

Number of different words that can be formed from an n X n grid of letters, reading horizontally, vertically or diagonally.

Terms

    a(0) =1a(1) =16a(2) =65a(3) =168a(4) =345a(5) =616a(6) =1001a(7) =1520a(8) =2193a(9) =3040a(10) =4081a(11) =5336a(12) =6825a(13) =8568a(14) =10585a(15) =12896a(16) =15521a(17) =18480a(18) =21793a(19) =25480a(20) =29561a(21) =34056a(22) =38985a(23) =44368a(24) =50225a(25) =56576a(26) =63441a(27) =70840a(28) =78793a(29) =87320

External references